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Tech

Telescope lasers could give humanity an edge in war against space junk

By Rafi Letzter

Space junk is a growing problem. Better fight it with lasers.

An image captured by the Ingenuity Mars helicopter shows the vehicle's shadow on the surface of the Red Planet.

So a helicopter flew on Mars for the first time. A space physicist explains why that's such a big deal

By Gail Iles

It marks a milestone in the story of human space exploration.

Spaceflight

Watch live @ 3 pm ET: NASA Earth Day event with climate experts

By Space.com Staff

To celebrate Earth Day today (April 22), climate experts will host an episode of "NASA Science Live" at 3 p.m. EDT (1900 GMT) to discuss humanity's role in climate change. Watch it live!

Artist's illustration of the U.S. Air Force's X-37B space plane.

On This Day in Space! April 22, 2010: X-37B space plane launches on 1st top-secret mission

By Hanneke Weitering

On April 22, 2010, the U.S. Air Force launched the super-secret X-37B space plane on its first spaceflight. See how it happened in our "On This Day In Space" series!

Science & Astronomy

Artistic impression of the super-Earth in orbit around the red dwarf star GJ 740.

Newfound super-Earth has speedy orbit around red dwarf star

By Daisy Dobrijevic

The newly discovered exoplanet is three times as massive as Earth.

Google's Earth Day 2021 doodle celebrates tree-planting on Earth and inspiring future generations to care for our planet.

Celebrate Earth Day 2021 with this 'beau-tree-ful' Google Doodle

By Tariq Malik

Earth Day 2021 is here and the folks at Google hope it plants a tree in your heart with this adorable Google doodle.

Search For Life

A colored topographical map of the southern highlands Martian basins from the Brown University study. The raised ridges are colored dark yellow and the low-lying areas where water pooled are colored in white.

Strange crater suggests ancient Mars may have been frigid with occasional snowmelt

By Doris Elin Urrutia

Mars' ancient history is interesting to scientists because if the arid planet was once warm and wet, it may have been habitable to life.

In this classic Apollo 14 image, taken just before the lunar module landed at Fra Mauro, Earth peeks over the edge of the moon.

Alien hunters should search for artifacts on the moon, study suggests

By Charles Q. Choi

The famous equation used to search for alien civilizations has now inspired a new formula to hunt for alien artifacts within our solar system.

An image of Saturn's moon Enceladus taken by NASA's Cassini spacecraft.

Enceladus may have ocean currents like we see around Antarctica

By Elizabeth Howell

The ocean of the water-spurting moon Enceladus might be more active than scientists realized.

Skywatching

A supermoon rises behind the U.S. Capitol, Monday, March 9, 2020, in Washington., D.C.

April Full Moon 2021: 'Super Pink Moon' rises Monday

By Jesse Emspak

The full moon of April, called the Pink Moon, occurs Monday, April 26 at 11:32 p.m. EDT (0332 GMT on Tuesday, April 27). It will also be a "supermoon."

A Lyrid meteor lights up the sky over Schermbeck, Germany, on April 22, 2020.

The Lyrid meteor shower of 2021 peaks tonight! Here's how to see it.

By Elizabeth Howell

One of springtime's most prominent "shooting star" groups peaks overnight tonight (April 21-22).

Lyrid meteors face off against a bright moon this week

By Joe Rao

The Lyrid meteor shower peaks on Thursday morning (April 22), the first good meteor shower in nearly four months, although a bright moon could interfere.

Entertainment

Toni Colllete (right), Anna Kendrick (center) and Daniel Dae Kim portray Mars-bound astronauts with Shamier Anderson (left) as a launch engineer-turned-surprise passenger in Netflix's "Stowaway."

Netflix launches new Mars mission thriller 'Stowaway.' But will the air last?

By Jeff Spry

Netflix serves up another solid sci-fi adventure with the outer space actioner directed by Joe Penna: "Stowaway."

The crew for SpaceX's upcoming Crew-2 mission is all smiles as we get closer to launch. The four astronauts are set to launch to the International Space Station April 22 and there will meet up with the Crew-1 astronauts who have been living up on the orbiting laboratory. From the left is European Space Agency astronaut Thomas Pesquet, NASA astronauts Megan McArthur and Shane Kimbrough and JAXA astronaut Akihiko Hoshide.

Space Chat with Space.com: Tune in Fridays for science, space and more!

By Chelsea Gohd

This Friday (April 9), Space Chat will explore SpaceX's upcoming Crew-2 mission.

'For All Mankind' actor lauds alternative-history show's family feel

By Elizabeth Howell

Actor Casey W. Johnson says that one of the most enjoyable things about being on the series has been "the family dynamic."

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