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This Week's Top Space Stories!

Mercury is the closest planet to Earth (depending on who you ask), scientists cook up an exoplanet's atmosphere in the lab and the Bering Sea received the second-most powerful meteor impact in recent history. These are just some of this week's top stories from Space.com.

Mar 23, 2019

The Most Amazing Space Photos This Week!

Here are our picks for the most amazing space photos of the week.

Mar 23, 2019

Space Development Agency Promises to Do More with Less

The Space Development Agency officially came into existence last week and already is causing a stir.

Mar 23, 2019

Mariner's Astrolabe from 1503 Shipwreck Is World's Oldest

An astrolabe found at a shipwreck site in Oman is the oldest one ever discovered.

Mar 23, 2019

On This Day in Space! March 23, 1840: First Photo of the Moon

On March 23, 1840, a New Yorker named John William Draper became the first person to take a photo of the moon. See how it happened in our On This Day in Space Video Series.

Mar 23, 2019

Whirling 'Cannonball' Pulsar Flees Supernova Site at Epic Speed

A supernova explosion flung out a super-dense, whirling stellar core, sending it streaking across space at almost 2.5 million miles per hour with a glowing trail 13 light-years long in its wake.

Mar 23, 2019

2020 Mars Helicopter Could Open Alien Skies to Exploration

A few brief hops in the Martian air two years from now could open alien worlds to an entirely new kind of exploration.

Mar 23, 2019

Powerful Bering Sea Fireball Spotted from Space in NASA Photos

NASA's Terra satellite captured striking views of the meteor that exploded over the Bering Sea on Dec. 18, 2018.

Mar 23, 2019

Day and Night Are Perfectly Balanced in Spring Equinox Photo Snapped from Space

Earth just got another dazzling glamour shot, thanks to a satellite that snapped its photo on the March 20 spring equinox.

Mar 22, 2019

Space Webcasts: Astronauts Take Spacewalk Outside Space Station

Two NASA astronauts took a spacewalk outside the International Space Station Friday, March 22, to swap out huge batteries.

Mar 22, 2019

Spacewalking Astronauts Swap Space Station Batteries in Power Upgrade

The International Space Station got a power upgrade today (March 22) as two NASA astronauts took a spacewalk to install new batteries on the station's solar arrays.

Mar 22, 2019

SpaceX's Hexagon Tiles for Starship Heat Shield Pass Fiery Test

SpaceX is turning up the heat on its Starship spacecraft project. Literally.

Mar 22, 2019

There's a Mock Moon Mission Underway in Russia

Russia's SIRIUS (Scientific International Research in Unique Terrestrial Station) experiment is now underway, simulating a flight to the moon.

Mar 22, 2019

These Two Cosmic 'Chimneys' Could Be Fueling the Galaxy-Sized Bubbles Looming Over the Milky Way

Scientists made an X-ray map of the center of the galaxy — and they found two chimneys of plasma.

Mar 22, 2019

Spring Arrives with a Lion in the Night Sky

For each season of the year, there is a "keynote" star pattern — and spring brings us to Leo, the Lion.

Mar 22, 2019

Netflix Premieres Nail-Biting '14 Minutes From Earth,' With Bold Stratospheric Jump

The documentary "14 Minutes From Earth," which just premiered on Netflix, shows the secrecy behind, and the excitement following, the highest free-fall jump ever.

Mar 22, 2019

The Risk of Apollo: Astronauts Swap Harrowing Tales from NASA's Moon Shots

Last weekend, a large gathering of Apollo astronauts culminated in a story swap that showcased the risks and dangers of spaceflight.

Mar 22, 2019

Sparks Fly as Skydivers Glide Past a Dazzling Supermoon in Epic Red Bull Stunt!

Trailing sparks between their wingsuits, the Red Bull Air Force swept into Los Angeles from above on Thursday (March 20) to celebrate the third and final supermoon of 2019.

Mar 22, 2019

A Time Capsule Is Recovered and Lt. Malloy Experiences Life in 2015 in 'The Orville' Episode 'Lasting Impressions'

A simple, back-to-basics episode of "The Orville" reminds us that convoluted plots aren't a prerequisite for quality sci-fi.

Mar 22, 2019

You Can Watch SpaceX's Starship Hopper Tests Live Via a South Texas Surf School

SpaceX's first tests of its prototype Starship may start soon — and you can watch them live online.

Mar 22, 2019

Image of the Day

It's a bird! It's a plane! Nope, that's the International Space Station zooming past the moon at an impressive speed of about 5 miles per second.

Mar 22, 2019

The Identity of the Mysterious Red Angel Is Revealed in This Week's 'Star Trek: Discovery'

Burnham has to deal with one emotional uppercut after another in "The Red Angel."

Mar 22, 2019

'Inland Oceans' from One of Southern Hemisphere's Worst Storms Seen from Space

One of the worst cyclones to hit southern Africa left flooding that could be seen from space.

Mar 22, 2019

'Lucy in the Sky' Trailer: No Diamonds Here, Just Astronaut Troubles

The first "Lucy In The Sky" trailer has launched onto to the internet and all systems don't seem to be go for astronaut Lucy Cola.

Mar 22, 2019

Anson Mount & Rebecca Romijn Disembarking from 'Star Trek: Discovery' — Report

In what could be a storyline reason.

Mar 22, 2019

Boeing Delays 1st Test Flight of Crew Capsule to August: Report

Boeing has delayed the first spaceflight of its CST-100 Starliner crew capsule from next month until August at the earliest, according to Reuters.

Mar 22, 2019

NASA Astronauts Are Taking a Spacewalk Today: Watch It Live!

Two astronauts will venture outside the International Space Station today (March 22) to replace old batteries on the station's solar arrays.

Mar 22, 2019

Vega Rocket Launches Earth-Watching PRISMA Satellite for Italy

A European Vega rocket launched the Italian Earth-observation satellite PRISMA into orbit late Thursday (March 21).

Mar 21, 2019

Arcturus: Facts About the Bright Red Giant Star

Arcturus is a red giant that is one of the brightest stars in Earth's night sky.

Mar 21, 2019

Watch a Vega Rocket Launch an Italian Earth-Observing Satellite!

Italy's PRISMA Earth-observation satellite will take to the skies tonight (March 21), and you can watch the action live.

Mar 21, 2019