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Latest News

Graphic illustration with 'space calendar' in large blue neon letters and 2025 below it in smaller white letters. Below the title are four neon images depicting a meteor or comet, a telescope, a rocket launch and an astronaut's helmet. There is a starry background to the entire image.

Space calendar 2025: Rocket launches, skywatching events, missions & more!

Space.com last updated 20 August 25

Reference Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.

four astronauts with not helmets walk down a ramp from a pair of double doors.

Artemis 2 astronauts suit up for nighttime moon launch dress rehearsal (photos, video)

Josh Dinner published 20 August 25

If there's one thing astronauts know, it's "practice, practice, practice."

The sun radiates huge amounts of electromagnetic energy in all directions. Earth is only one small recipient of the sun's energy; the sun's rays extend far out into the solar system, illuminating all the other planets.

Test your true terrestrial trivia with our Earth quiz!

Kenna Hughes-Castleberry published 20 August 25

This quiz will explore the science behind the scenery, the facts behind the familiar, and the wonders that make Earth a living planet.

The X-37B Orbital Test Vehicle at NASA’s Kennedy Space Center Shuttle Landing Facility shortly after touching down on Nov. 12, 2022.

US Space Force's secretive X-37B space plane will test quantum alternative to GPS navigation

Samuel Lellouch published 20 August 25

The U.S. Space Force's X-37B space plane will test a potential alternative to GPS that makes use of quantum science as a tool for navigation: a quantum inertial sensor.

a gigantic scavenger spaceship with an exploding planet

Forget Galactus, 'Strange New Worlds'' ancient scavenger ship is the real 'destroyer of worlds' (exclusive)

Jeff Spry published 20 August 25

Join us as director Valerie Weiss breaks down this 'Trekiest' episode of the sci-fi series yet.

a bright starry sky above a lush green landscape

This Chappell Roan song boosted interest in a Canadian dark sky preserve by 1,800%

Elizabeth Howell published 20 August 25

Chappell Roan mentioned Canada's Saskatchewan just days before Cypress Hills Interprovincial Park hosts a "star party" festival in its dark-sky park.

Acting NASA chief Sean Duffy says agency will 'move aside' from climate sciences to focus on moon and Mars Acting NASA Administrator Sean Duffy says it's time for the agency to focus on the moon and Mars, not the "smorgasbord of priorities," like climate science, the agency has been directing its resources.

A Russian Soyuz rocket launches the Bion-M No. 2 space medicine mission from Baikonur Cosmodrome in Kazakhstan on Aug. 20, 2025. — Russia launches mice, microbes and more on monthlong mission to Earth orbit (video) Russia launched its Bion-M No. 2 biosatellite today (Aug. 20), sending 75 mice, 1,000 fruit flies and other organisms to orbit to learn more about the health effects of spaceflight.

An image showing the country of Japan as seen from orbit at night, with the Korean peninsula visible to the left. The land masses are silhouetted by city lights. — Watch a bright fireball explode above Japan, turning night to day (video) A fireball exploded into life in the skies above Japan on Aug. 19, briefly turning night to day before fragmenting close to the horizon.

Lead art for sci-fi shooter Pragmata, shown at Gamescom 2025. — Pragmata rethinks sci-fi shooter combat, and it owes a lot to Snake (preview) After five years, Pragmata could have been unambitious, but instead, it's a fascinating and innovative sci-fi game with heaps of potential.

Two people sit and look at a moonless sky. — A rare Black Moon rises with the sun on Aug. 23: Here's what to expect A Black Moon rises Aug. 23, though you won't see it. Its timing makes it a rare lunar event.

Ursa Major III, a faint star cluster over 30,000 light-years away, may be bound by hidden black holes instead of dark matter. — The Milky Way's faintest satellite may not be what astronomers thought. 'These results solve a major mystery in astrophysics' A distant galaxy nicknamed "Cosmic Grapes" is bursting with massive star-forming clumps — far more than expected — offering fresh clues about how galaxies grew in the early universe.

a blue orb surrounded by white dots — Scientists find tiny new moon around Uranus with the James Webb Space Telescope (photos, video) Astronomers using NASA's James Webb Space Telescope (JWST) have discovered a newfound moon orbiting icy Uranus, the seventh planet from the sun.

Skywatching

The Milky Way galaxy glows over the rock structure of Stonehenge.

The Milky Way brightens the moonless summer sky this week: Here's where to look

By Anthony Wood last updated 20 August 25

Our galaxy will make for a particularly splendid sight on the dark nights surrounding the new moon phase on Aug. 23.

Man uses one of the best telescopes and binoculars to look at the night sky as the sun sets and telescopes are on tripods around him

Best telescopes 2025: Observe stars, galaxies and nebulas

By Gemma Lavender last updated 20 August 25

Buying Guide Here are the best telescopes for a range of different purposes and budgets — beginner to smart telescopes and everything in between. Keep your eyes peeled for deals, too.

Nocs Provisions Zero Tube 10x25 waterproof monocular review

By Tantse Walter published 20 August 25

Review Your new favorite lightweight spotting companion — the Noca Provisions Zero Tube.

MORE FROM SPACE...

1
Artemis 2 astronauts suit up for nighttime moon launch dress rehearsal (photos, video)
2
Test your true terrestrial trivia with our Earth quiz!
3
US Space Force's secretive X-37B space plane will test quantum alternative to GPS navigation
4
Forget Galactus, 'Strange New Worlds'' ancient scavenger ship is the real 'destroyer of worlds' (exclusive)
5
This Chappell Roan song boosted interest in a Canadian dark sky preserve by 1,800%

Spaceflight

a triple-core rocket blasts off under a sunny, partly cloudy blue sky. smoke expands below next to an obscured launch tower, near a long white hanger with SPACEX written on the side. To the left, a bird flies away.

Rocket launch today: Is there a rocket launch and what time?

By Josh Dinner, Tariq Malik last updated 20 August 25

Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.

Launches & Spacecraft

European Space Agency astronaut Samantha Cristoforetti gives the Vulcan salute aboard the International Space Station.

Astronauts get stuffy noses in space because of microgravity, scientists find

By Jessica Rendall published 20 August 25

Scientists are calling attention to an extremely common health problem that's been making astronauts uncomfortable: sinus issues.

Human Spaceflight

A tan background with streaks and dots of black on it.

Semiconductor wafer on ISS goes under the microscope | Space photo of the day for Aug. 20, 2025

By Kenna Hughes-Castleberry published 20 August 25

This is part of a NASA-supported project hoping to fabricate "device-ready" wafers from space-grown crystals.

International Space Station

The Very Large Array in New Mexico suffers from satellite interference hundreds of times a day.

SpaceX partners with astronomers to protect radio astronomy from satellite interference

By Tereza Pultarova published 20 August 25

An automated system co-developed by SpaceX prevents disruption to radio astronomical observations caused by megaconstellations in low Earth orbit.

NASA's Artemis 2 moon mission crew teaser with four astronauts in spacesuits.

NASA's Artemis Program: Live updates

By Tariq Malik, Josh Dinner last updated 19 August 25

NASA's Artemis 2 mission is returning astronauts to the moon for the first time since 1972. See live mission updates here.

Science & Astronomy

Korea's K-RadCube radiation-measuring cubesat will fly on NASA's Artemis 2 moon mission in 2026.

South Korea's K-RadCube radiation satellite will hitch a ride on NASA's Artemis 2 moon mission

By Andrew Jones published 20 August 25

South Korea's K-RadCube satellite has arrived at NASA's Kennedy Space Center in Florida ahead of its launch toward the moon on the Artemis 2 mission next year.

Sirius: The brightest star in Earth's night sky

By Elizabeth Howell, Ailsa Harvey last updated 20 August 25

Reference Discover Sirius, the Dog Star, the brightest star in the night sky and learn how to spot it, its history, and why astronomers study it.

Space Photo of the Day

Semiconductor wafer on ISS goes under the microscope | Space photo of the day for Aug. 20, 2025

By Kenna Hughes-Castleberry Published 20 August 25

VIEW MORE IMAGES

Entertainment

Concept art for the video game "Battlestar Galactica: Scattered Hopes." A man in uniform is standing at the head of a table looking at a map with spaceships on it. The table is surrounded by other people in uniform.

New tactical roguelite game 'Battlestar Galactica: Scattered Hopes' sees you escape the Cylons with a full fleet of spaceships (video)

By Fran Ruiz published 20 August 25

Battlestar Galactica meets FTL in this just-announced "story-rich tactical roguelite" from the makers of Crying Suns.

Screenshots from Warhammer 40K: Dawn of War 4, revealed at Gamescom 2025.

'Warhammer 40k: Dawn of War 4' revealed, with a new developer promising a return to 'mass-battle, base-building roots' (video)

By Fran Ruiz published 20 August 25

Warhammer 40K's most iconic real-time strategy series is back next year and under new leadership.

What's Up In Space Today

Search For Life

An artist's depiction of the Voyager 2 probe traveling through our solar system.

On this day in space! Aug. 20, 1977: Voyager 2 Launches to the Outer Planets

By Hanneke Weitering last updated 20 August 25

On Aug. 20, 1977, NASA launched the Voyager 2 spacecraft on a mission to explore the outer planets.

Search for Life

Three different size circles going from large to small from left to right, with the largest being marbled light green, the middle being a marbled blue-green and the right being a dark blue marbled with water drops.

Is water really a necessary ingredient for life? Aliens may swim in truly exotic pools

By Stefanie Waldek published 13 August 25

A new study finds that liquids other than water might be able to support life on worlds beyond Earth, potentially expanding the envelope of life throughout the cosmos.

Search for Life

The planet-birthing disk around V883 Orionis with frozen complex molecules in its outer region

Is life widespread throughout the cosmos? Complex organic molecules found in planet-birthing disk

By Robert Lea published 31 July 25

Complex organic molecules that could be the precursors to the building blocks of life as we know it have been discovered in a disk of gas and dust swirling around an infant star.

Search for Life

Technology

NASA and Google test AI medical assistant for astronaut missions to the moon and Mars

By Andrew Jones published 17 August 25

Google and NASA are trialing an AI-powered medical assistant that could help astronauts care for themselves when mission control is out of reach.

Tiny devices propelled by sunlight could explore a mysterious region of Earth's atmosphere

By Tereza Pultarova published 16 August 25

"Being able to send something out there would enable us to take a lot more precise data than we currently can."

a cube-shaped spacecraft with two long wing-like solar panels in orbit above earth

NASA wants new spacecraft to reach 'difficult-to-reach orbits' around Earth and in deep space

By Elizabeth Howell published 15 August 25

NASA has awarded $1.4 million to six companies, to further their ideas about how to get vehicles farther into space cheaply and efficiently.

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