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NASA's James Webb Space Telescope, seen here in an artist's illustration, deployed its final primary mirror segment on Jan. 8, 2022, a critical milestone for its mission to study the universe.

James Webb Space Telescope, the biggest ever built, fully unfolds giant mirror to gaze at the cosmos

By Mike Wall published

NASA's James Webb Space Telescope unfolded the second "wing" of its massive primary mirror today (Jan. 8), marking the end of its complex deployment.

An artist's impression of the Hadean eon, when early Earth may have been struck by a renegade Mars-sized planet.

Weird structures near Earth's core may be scars from a primordial interplanetary collision

By Brandon Specktor published

A collision with a Mars-size planet 4.5 billion years ago may have left a permanent impact on our planet's deep mantle.

This zoomed image of the "mystery hut" spotted by China's Yutu 2 rover in Von Kármán crater on the far side of the moon shows it to be a rabbit-shaped rock called "jade rabbit."

Space photos: The most amazing images this week!

By Doris Elin Urrutia published

See the best photos on Space.com this week.

A composite image of the effects of our Milky Way galaxy's monster black hole.

The top space stories of the week!

By Doris Elin Urrutia published

Astronomers view the brightest "Cow" supernova in X-ray observations and NASA's InSight Mars lander endures a dust storm. These are some of the top stories this week from Space.com.

Russia's Soyuz MS-19 spacecraft, specially decorated to be filmed for a movie, launches for the International Space Station from Baikonur Cosmodrome in Kazakhstan on Oct. 5, 2021.

Kazakhstan unrest not affecting Baikonur Cosmodrome spaceport, Russia says

By Mike Wall published

The current chaos in Kazakhstan isn't seriously impacting the famous spaceport in the nation, Russian officials say.

Selene V Cmdr. Michaela Musilova and Officer Jamanca-Lino perform geological research during a moonwalk near HI-SEAS.

The Selene V crew hit the moonwalk jackpot — Commander's report: lunar day 10

By Michaela Musilova published

Commander Musilova describes how the Selene V crew compensated for their confinement in the habitat by doing excessive amounts of moonwalks and research activities when the weather finally cleared.

Google celebrated the life and legacy of scientist Stephen Hawking in a Google Doodle for what would have been his 80th birthday on Jan. 8, 2022.

Google Doodle celebrates the life of cosmologist Stephen Hawking for his 80th birthday

By Elizabeth Howell published

The pioneering work of physicist Stephen Hawking is honored in a Google Doodle today (Jan. 8).

A Black Brant IX sounding rocket carrying the DXL payload launches from NASA's Wallops Flight Facility in Virginia at midnight EST (0500 GTM) on Jan. 9. The rocket leapt off the pad quickly, soon disappearing from sight.

NASA launches sounding rocket to study space X-rays

By Elizabeth Howell published

A Black Brant IX sounding rocket topped with the DXL experiment launched from NASA's Wallops Flight Facility at midnight EST on Sunday (Jan. 9).

This sky map shows the view from New York City just after sunset on Jan. 7, 2022.

Look up to spot the tricky planet Mercury at its 'greatest elongation' from the sun tonight

By Elizabeth Howell published

The planet Mercury, typically hard to spot for skywatchers, will be at its greatest distance from the sun in our sky Friday (Jan. 7).

Virgin Orbit employees celebrate the company's debut on the NASDAQ stock exchange on Jan. 7, 2022.

Virgin Orbit lands in Times Square NYC to ring NASDAQ bell

By Meghan Bartels published

Another kind of countdown hit New York City's Times Square Friday (Jan. 7) as a commercial spaceflight company celebrated joining the NASDAQ stock exchange.

An animation shows the deployment of the port side of the primary mirror of the James Webb Space Telescope.

James Webb Space Telescope has unfolded 1st wing of massive golden mirror

By Meghan Bartels published

Unfolding the two side wings of the James Webb Space Telescope's golden primary mirror marks the last major task in assembling the observatory.

A group of people stand silhouetted in front of the night sky with the Milky Way on full display.

Astronomers discover 'Maggie,' a giant atomic cloud stretching across the Milky Way

By Chelsea Gohd published

Stretching thousands of light-years across the Milky Way, a newly discovered filament of hydrogen named Maggie is one of the biggest structures ever discovered in our galaxy.

The Hubble Space Telescope launched to Earth orbit in April 1990.

1 billion seconds in space! NASA's Hubble Space Telescope surpasses major milestone

By Samantha Mathewson published

NASA’s Hubble Space Telescope has reached a major milestone: one billion seconds in the final frontier.

The European Organization for Nuclear Research (known by its French acronym, CERN) manufacturers antimatter in a dedicated antimatter factory.

Matter and antimatter respond to gravity in the same way, study finds

By Tereza Pultarova published

Matter and antimatter behave the same under the influence of gravity, a new study found, leaving scientists no wiser as to what makes the two different.

An artist's depiction of a red supergiant star within the last year before it explodes.

Death star: In cosmic first, scientists observe red supergiant just before it explodes

By Meghan Bartels published

It's much easier for scientists to see the messy aftermath of stellar explosions than to watch the prelude to the drama.

A SpaceX Falcon 9 rocket launches 49 Starlink satellites from Pad 39A at NASA's Kennedy Space Center in Florida.

SpaceX lofts 49 Starlink internet satellites to orbit in 1st launch of 2022

By Amy Thompson published

SpaceX successfully launched its first Falcon 9 rocket of the year Thursday (Jan. 6), sending a new stack of Starlink satellites into orbit from Florida, before nailing a landing at sea.

Grand ideas of extraterrestrial colonization are hardly new. In the 1940s, the nascent Space Age set in motion calls for a new wave of colonization directed outwards into space.

The solar system belongs to us all, not just Jeff Bezos

By Alan Marshall published

Like colonialism of old, Bezos’s space colonization plans heavily depend on resource extraction and unfair and abusive labor practices.

An image taken by the Dark Energy Camera in Chile shows TIC 400799224.

NASA's TESS exoplanet mission reveals mystery of strange signals from dusty object

By Meghan Bartels published

The universe is full of mysteries.

People watch a North Korean missile launch on a television at the Seoul Railway Station in Seoul, South Korea, on Jan. 5, 2022.

North Korea tests another new hypersonic weapon: reports

By Mike Wall published

North Korea claims that it conducted a successful test of a new hypersonic vehicle on Wednesday (Jan. 5).

New trailer for 'Moonfall' promises a disaster movie on a scale like no other, but how accurate is the physics?

By Scott Snowden published

The Earth faces an extinction-level event and naturally, no one listens to the scientists until its too late.