Skywatching

A comet is pictured with a bright nucleus in the lower right of an image against the blackness of space, with a long tail extending diagonally to the upper right of the shot. A spiral or light is pictured, appearing to wrap around the comet and its tail, created by the trail of a passing meteor.

Glowing meteor trail photobombs Comet Lemmon in incredible telescope footage. 'A pure perspective miracle'

By Anthony Wood published

A meteor photobombed the patch of sky containing Comet Lemmon on Oct. 24, wrapping it in a glowing trail.

Stargazing
graphic with night sky in large font and silhouettes of people below looking up at the night sky.

Night sky for tonight: Visible planets, stars and more in this evening's sky

By Jamie Carter last updated

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

Stargazing
a green fuzzy streak in the night sky

See Comet Lemmon cross paths with a cosmic serpent tonight

By Anthony Wood published

Comet C/2025 A6 (Lemmon) will pass through the neck of the great celestial serpent represented by the constellation Serpens Caput on the nights of Oct. 26-27.

Stargazing
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Spaceflight

Graphic showing the the artemis accords logo above white text reading "the artemis accords", the surface of the moon is seen in the lower portion of the image and a distant Mars peeks out from the surface of the moon.

Artemis Accords: What are they & which countries are involved?

By Robert Lea last updated

Reference As the Artemis program aims to return humanity to the moon and beyond, the Artemis Accords lay out a framework for nations collaborating in this effort.

Reference
NASA’s first test flight of the Saturn V rocket launched Nov. 9, 1967 from Kennedy Space Center in Florida, 50 years ago.

On this day in space! Oct. 27, 1961: NASA launches 1st Saturn rocket test flight

By Hanneke Weitering last updated

On Oct. 27, 1961, NASA launched the first test flight of its new Saturn I space launch vehicle.

Launches & Spacecraft
The International Space Station captured from a HEO Robotics satellite on May 13, 2024.

'The solar system on demand': HEO Robotics aims to push spacecraft imaging deep into the final frontier

By Andrew Jones published

From viral shots of Tiangong to a new deal with Astroscale, HEO Robotics is pioneering satellite-to-satellite imagery in orbit and even plans to expand beyond Earth.

Satellites
A soldier stands with a military robot in an undisclosed location

SpaceX Starlink internet isn't fast enough for Ukraine's combat robots

By Tereza Pultarova published

The amount of bandwidth provided by SpaceX's Starlink satellites is limiting Ukraine's ability to operate ground robots on the frontline of the nation's war against Russia.

Satellites
an orange and white rocket lifts off from its seaside launch pad

Japan launches advanced new cargo spacecraft to ISS for 1st time (video)

By Mike Wall last updated

Japan's new HTV-X cargo spacecraft launched on its first-ever mission to the International Space Station on Saturday, Oct. 25, 2025.

Launches & Spacecraft
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Science & Astronomy

An image of a gray metal hexagonal lunar lander with four thin metal feet standing in a dimly lit warehouse with gray rocks on the floor

ESA's lunar lander on a simulated moon | Space photo of the day for Oct. 27, 2025

By Kenna Hughes-Castleberry last updated

With the Argonaut lunar lander and the LUNA simulation facility in Germany, the European Space Agency is building the technology and training to have life on the moon.

The moon
Flood waters rise to the porch of a house next to a tree in Laos

How AI can improve storm surge forecasts to help save lives

By Navid Tahvildari published

Accurate storm surge predictions are critical for giving coastal residents time to evacuate and giving emergency responders time to prepare.

Climate Change
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Space Photo of the Day

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Entertainment

'Once Upon a Time in Space': How to watch the latest BBC space documentary series from anywhere in the world

By Elizabeth Howell published

Follow the space program since the moon landing in the four-part documentary "Once Upon a Time in Space". Here’s how to watch it anywhere on the planet.

Space Movies & Shows

30 years ago, 'The Simpsons' introduced us to Kang & Kodos, the series's iconic alien invaders

By Grace Dean published

"Don't blame me, I voted for Kodos"

Space Movies & Shows
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What's Up In Space Today

Search For Life

A series of black and white and red molecules floating in a colorful background

Space radiation can produce some organic molecules detected on icy moons

By Javier Barbuzano published

As missions prepare to visit ocean worlds like Enceladus and Europa, new findings show scientists must first learn to distinguish between radiation-made organics and those born in a subsurface sea.

Search for Life
Perseverance in action

How excited should we be about the latest Mars potential biosignature discovery? 'It's arguably the best evidence we have so far'

By Keith Cooper published

What about those previously studied plumes of methane and meteorites potentially stuffed with the fossils of Martian microbes?

Search for Life
An illustration of exoplanet Kepler 16b, where its brown rocky surface can be seen in the darkness of space with its bright home star far in the distance.

No near neighbors: Closest technologically advanced aliens may be 33,000 light-years from Earth

By Stefanie Waldek published

A new study suggests that, without plate tectonics and the right balance of carbon dioxide and oxygen, advanced alien civilizations may be exceedingly rare.

Search for Life
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Technology

WindFire LED flashlight review

By Tantse Walter published

Review A super-bright and heavy-duty rechargeable flashlight that won't break the bank.

Review
A rendering of a spacecraft moving a piece of space debris using an ion beam.

Could we blast space debris out of harm's way with ion beams?

By Elizabeth Howell published

A new space debris removal project, ALBATOR, plans to tackle the growing debris problem in orbit.

Technology
An illustration showing a data center in space with various white modules of servers

Powerful NVIDIA chip launching to orbit next month to pave way for space-based data centers

By Tereza Pultarova published

An NVIDIA GPU is heading toward its record-setting orbital debut, a trip that will test how data centers could work in the final frontier.

Technology
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