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A photograph taken by the Perseverance rover of the Ingenuity helicopter on the surface of Mars in April, just after the rover deployed the chopper.

The Mars helicopter Ingenuity is ready to fly again after interplanetary radio blackout

By Meghan Bartels

NASA's Mars helicopter is ready to make its first flight attempt after a two-week communications blackout caused by the sun's being directly between Earth and the Red Planet.

An astronomical image marred by trails caused by satellites of SpaceX's Starlink megaconstellation.

Challenge for astronomy: Megaconstellations becoming the new light pollution

By Tereza Pultarova

Satellite megaconstellations are becoming a serious problem to 21st century astronomy akin to urban light pollution, and speedy action is needed to mitigate, a new report finds.

Cosmonaut Oleg Novitsky shared this photo of the International Space Station on Twitter on Sept. 29, 2021. He and two colleagues were relocating a Russian Soyuz spacecraft from one port to another at the time.

China, space junk and more: Senators voice spaceflight concerns

By Meghan Bartels

The risk of collisions in space, the fate of the United States in orbit after the space station retires and continuing debates over NASA's path back to the moon dominated a two-hour hearing.

Artist's illustration of the James Webb Space Telescope with its massive sunshield fully deployed.

NASA's James Webb Space Telescope will face '29 days on the edge' after launch (video)

By Elizabeth Howell

NASA's newest space telescope will face 29 'harrowing' days after launch as it makes its way to a deep-space destination nearly 1 million miles (1.6 million km) from Earth.

NASA and the Canadian Space Agency have teamed up for the Deep Space Food Challenge, which aims to spur new ideas about how to feed astronauts on long voyages.

NASA's Deep Space Food Challenge awards $450,000 to first-round winners

By Elizabeth Howell

NASA and the Canadian Space Agency just announced 18 winners in Phase 1 of the Deep Space Food Challenge, which aims to spur the development of potentially game-changing food tech.

Nerf gun deals

Nerf gun deals

By Alexander Cox

Lock and load with these awesome Nerf gun deals, with savings on Star wars, Halo, Fortnite blasters.

SpaceX's SN20 Starship prototype performs its first-ever static fire test on Oct. 21, 2021, in this still from a video captured by SPadre.com.

SpaceX's SN20 Starship prototype roars to life in 1st static fire tests (video)

By Mike Wall

SpaceX fired up its SN20 Starship prototype in earnest for the first time Thursday night (Oct. 21), notching a big milestone on the vehicle's planned path to orbit.

The uncrewed Russian cargo ship Progress 78 approaches the International Space Station on July 1, 2021 in this image taken by an astronaut on the station ahead of docking operations.

Russian cargo ship completes novel 28-hour docking port move at space station

By Elizabeth Howell

An uncrewed Russian cargo ship is swapping parking spots at the International Space Station.

The Orion crew capsule for NASA's Artemis 1 mission is stacked atop its Space Launch System rocket at Kennedy Space Center on Oct. 20, 2021.

NASA stacks Orion capsule atop SLS megarocket for Artemis 1 moon mission (video)

By Mike Wall

NASA stacked its Orion capsule atop a Space Launch System megarocket yesterday (Oct. 20), notching a major milestone for the agency and its Artemis program of crewed lunar exploration.

The nearly full Hunter's Moon rises from The Observatory at America’s Square in Washington, on Oct. 19, 2021.

October's full 'Hunter's moon' of 2021 wows skywatchers (photos)

By Elizabeth Howell

The full moon of Wednesday (Oct. 21), known by many as the "Hunter's Moon," provided a celestial treat for skywatchers around the world.

An artist's illustration of the Starlab private space station, a joint project of the companies Nanoracks, Lockheed Martin and Voyager Space. Starlab will be operational by 2027, if all goes according to plan.

Meet Starlab: Private space station planned to fly in 2027

By Mike Wall

Nanoracks, Voyager Space and Lockheed Martin announced today (Oct. 21) that they plan to get a free-flying private space station called Starlab up and running in low Earth orbit by 2027.

An observer captured a flash on Jupiter on Oct. 15, 2021, as seen in Japan with a Celestron C6.

Jupiter hit by another space rock in rare views captured by Japanese skywatchers

By Meghan Bartels

It's tough to be the biggest planet in the solar system, and this fall Jupiter is taking a beating.

Astronaut Nicole Stott's "Back to Earth" chronicles her experience on the International Space Station and how the lessons there could help people on Earth.

In 'Back to Earth,' NASA astronaut brings the space station mindset home

By Meghan Bartels

Astronaut Nicole Stott's new book "Back to Earth" chronicles her experience on the International Space Station and how lessons there could help people on Earth.

Astronaut Nicole Stott's "Back to Earth" chronicles her experience on the International Space Station and how the lessons there could help people on Earth.

Book excerpt: 'Back to Earth' (Seal Press, 2021) by astronaut Nicole Stott

By Nicole Stott

How can going to space change the way we live on Earth? Sure, spaceflight leads to new technologies, but it also offers new philosophies.

NASA's James Webb Space Telescope in a cleanroom at Europe's Spaceport in Kourou, French Guiana, in October 2021. The observatory is scheduled to launch on Dec. 18.

NASA's James Webb Space Telescope looks squeaky clean at spaceport for December launch (photos)

By Mike Wall

These are some of the last good looks we'll get at NASA's huge James Webb Space Telescope before it leaves this world forever.

South Korea's new rocket, Nuri, made its first launch on Oct. 21, 2021, but did not deliver its mock payload to orbit.

South Korea's 1st Nuri rocket fails to put payload in orbit in debut space launch

By Meghan Bartels

South Korea's first launch of its new rocket, dubbed Nuri seemed to go smoothly — until engineers determined that the mock payload hadn't been delivered to the proper orbit for unknown reasons.

This visualization shows space radiation interacting with Earth's magnetosphere.

Deep-space radiation could cause have big impacts on the brain, mouse experiment shows

By Chelsea Gohd

In a new study, male mice exposed to simulated galactic cosmic radiation (GCR) — high-energy radiation in space more commonly known as deep-space radiation — experienced impaired spatial learning.

NASA's Hubble Space Telescope captured this view of the interstellar Comet 2I/Borisov on Oct. 12, 2019.

How much of the solar system is made of interstellar stuff?

By Paul Sutter

The detection of interstellar objects in the solar system has raised an interesting question: How much of the solar system is made of foreign material?

A plume of gas released by a black hole in the galaxy group Nest200047 spreading through the intergalactic space in an image generated from observations by LOFAR and eROSITA.

Black hole 'volcanic eruptions' influence vast areas of intergalactic space, study shows

By Tereza Pultarova

Plumes of hot gas and charged particles emitted by black holes drift across distances of hundreds of thousands of light years.

This sky map shows the view of Uranus and the moon just after midnight on Oct. 21, 2021, as seen from midnorthern latitudes.

How to see Uranus near the full Hunter's Moon in the night sky this week

By Hanneke Weitering

The full Hunter's Moon will light the way to Uranus in the early morning sky this week, and with some luck you could see a "shooting star" while looking for the celestial pair.