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Watch live: Atlas V rocket to launch Space Test Project-3 mission

A United Launch Alliance Atlas V rocket will launch the STP-3 mission, including NASA's space laser communications demo satellite, at 5:03 a.m. EST (1003 GMT). Read more

Watch live: Atlas V rocket to launch NASA laser communications relay satellite and Space Force experiments Liftoff is scheduled for 5:03 a.m. EST (1003 GMT).

Watch the moon shine near Venus tonight on its way toward Saturn and Jupiter Look up for a spectacular sky show this week!

NASA announces 10 new astronaut candidates for future space station, moon missions The four women and six men will report to NASA in January to begin two years of basic spaceflight training.

Military interest in the moon is ramping up "Cislunar space has recently become prominent in the space community and warrants attention," a recent Air Force Research Laboratory document states.

Want to see Comet Leonard? Here are the best telescope and binoculars to spot it this month. All About Space's Gemma Lavender gives observing tips and product recommendations.

China's Yutu 2 rover spots cube-shaped 'mystery hut' on far side of the moon It's likely a large boulder excavated by an ancient lunar impact.

Tech

An artist's impression of NASA's Laser Communications Relay Demonstration mission.

How NASA's new laser communications mission will work in space

By Elizabeth Howell published 4 December 21

The goal is to speed up solar system communications.

Rocket Lab's next generation Neutron rocket will have a fully reusable first stage with an integrated fairing that opens like a flower.

Rocket Lab's next-gen Neutron rocket will be reusable (and have a 'Hungry Hippo' nose cone)

By Tereza Pultarova published 2 December 21

RocketLab's next-generation reusable Neutron rocket will operate like an aircraft.

Spaceflight

A United Launch Alliance rocket carrying the STP-3 mission for the U.S. military, including a NASA laser space communications experiment, stands atop its pad at Space Launch Copmlex 41 of the Cape Canaveral Space Force Station in Florida for a Dec. 5, 2021 launch.

Rocket launch today! Atlas V rocket to launch STP-3 mission before dawn

By Space.com Staff published 7 December 21

An Atlas V rocket will launch the STP-3 mission for the U.S. Space Force Tuesday, Dec. 7, and you can watch it live.

Astra's Launch Vehicle 0007 (LV0007) lifts off on a test flight from the Pacific Spaceport Complex in Alaska on Nov. 20, 2021. The rocket reached orbit, a first for Astra.

Astra to launch mission for NASA from Florida next month

By Mike Wall published 6 December 21

Astra will launch a NASA mission from Florida's Cape Canaveral Space Force Station in January, the California rocket builder announced on Monday (Dec. 6).

Science & Astronomy

The spiral galaxy Mrk (Markarian) 1337, as imaged by the Hubble Space Telescope.

Hubble telescope traces a spiral galaxy to chart our universe's expansion

By Elizabeth Howell published 6 December 21

Mapping celestial objects like this lets us figure out how fast they are moving relative to each other.

An artist's impression of a distant asteroid approaching Earth.

'Potentially hazardous' asteroid worth nearly $5 billion will pass by Earth this week, NASA says

By Ben Turner published 6 December 21

The mineral-rich asteroid has an estimated worth of $4.71 billion.

Search For Life

The Kardashev scale classes a civilization with a Dyson sphere to harvest its sun's light as type II.

The Kardashev scale: Classifying alien civilizations

By Meghan Bartels published 4 December 21

The Kardashev scale classifies hypothetical alien civilizations by how much energy they use.

How would we give aliens directions to Earth?

By Joanna Thompson published 3 December 21

Giving aliens directions to Earth might be tricky, but scientists have some ideas for how to do it.

NASA's Perseverance rover captured this image of a successfully collected sample on Nov. 24, 2021, using its Sample Caching System Camera.

NASA's Perseverance rover on Mars just snagged its newest rock sample (photos)

By Mike Wall published 24 November 21

Perseverance just snagged its fourth Red Planet sample, drilling another core from an intriguing rock that it sampled a little over a week ago.

Skywatching

The moon passes in front of the sun in the only total solar eclipse of 2021 in this still from a video captured by Theo Boris and Christian Lockwood of the JM Pasachoff Antarctic Expedition from their observing point in Union Glacier, Antarctica on Dec. 4, 2021.

Watch the entire total solar eclipse of 2021 in just 1 minute! (time-lapse video)

By Elizabeth Howell published 6 December 21

A new video (available on YouTube in 4K) offers a stunning view of the 2021 solar eclipse that occurred on Saturday (Dec. 4).

A view of Earth during the 2021 solar eclipse from the International Space Station.

Astronauts see only total solar eclipse of 2021 from space station (photos)

By Tereza Pultarova published 6 December 21

Astronauts at the International Space Station got a glimpse of the only total solar eclipse of 2021, which was otherwise only visible to a few lucky observers in Antarctica.

The moment of totality of the total solar eclipse of 2021 from the deck of the Le Commandant Charcot in the sea near the coast of Antarctica on Dec. 4, 2021. The sky was clouded out, but did darken noticeably.

Here's what the only total solar eclipse of 2021 was like from a cruise ship near Antarctica

By Joe Rao published 5 December 21

Clouds blocked the view of the only total solar eclipse for 2021 for 200 passengers on an Antarctic exploration cruise ship Dec. 4.

Entertainment

Best sci-fi movies of all time

By Grace Dean published 6 December 21

Bring the universe to your screens with this ultimate list of the best sci-fi movies of all time.

Fortnite's Chapter 3 Battle Pass includes a moon-themed Ronin skin

By Elizabeth Howell published 5 December 21

Teasers suggest you will defend the multiverse in Season 3, Chapter 1 of the battle royale game.

Fortnite's Chapter 2 finale The End flipped the entire Fortnite island to defend reality against the Cube Queen's alien spaceships and monsters.

Fortnite Chapter 2 finale 'The End': I fought off alien UFOs, monsters and more and survived

By Elizabeth Howell published 4 December 21

Alien spaceships swarmed over the Fortnite island during the season finale of the battle royale game Saturday (Dec. 4).

References

Best sci-fi movies of all time

By Grace Dean published 6 December 21

Bring the universe to your screens with this ultimate list of the best sci-fi movies of all time.

This handout picture released by Imagen Chile shows Chilean and US scientists looking at a solar eclipse from the Union Glacier in Antarctica on December 4, 2021.

The only total solar eclipse of 2021 in pictures: Amazing photos from Antarctica

By Tariq Malik published 4 December 21

The only total solar eclipse of 2021 was only visible across a remote stretch of Antarctica. See photos of what scientists saw.