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'Foreign Object' on Mars Spotted by Curiosity Rover Is Just a Rock (Photo)

'Foreign Object' on Mars Spotted by Curiosity Rover Is Just a Rock (Photo)

Get an Up-Close Look at Boeing's New CST-100 Starliner Spaceship (Photos)

Get an Up-Close Look at Boeing's New CST-100 Starliner Spaceship (Photos)

Melting Permafrost Below Arctic Lakes Is Even More Dangerous to the Climate, NASA Warns

Melting Permafrost Below Arctic Lakes Is Even More Dangerous to the Climate, NASA Warns

Photo Tour: Inside Boeing's CST-100 Starliner Hangar for Commercial Spaceship Flights

Photo Tour: Inside Boeing's CST-100 Starliner Hangar for Commercial Spaceship Flights

On This Day in Space! Aug. 17, 1877: Asaph Hall Discovers the Mars Moon Phobos

On This Day in Space! Aug. 17, 1877: Asaph Hall Discovers the Mars Moon Phobos

NASA Solar Probe Hits 1st Deep-Space Milestones On Its Way to the Sun

NASA Solar Probe Hits 1st Deep-Space Milestones On Its Way to the Sun

15,000 Galaxies Shine in This 1 View from the Hubble Space Telescope

15,000 Galaxies Shine in This 1 View from the Hubble Space Telescope

Here's the 1st 'Star Wars Resistance' Trailer! (And Its Release Date)

Here's the 1st 'Star Wars Resistance' Trailer! (And Its Release Date)

'Space Heroes' Trading Card Game Sets Up Space Race Between Players

'Space Heroes' Trading Card Game Sets Up Space Race Between Players

New NASA Images Show California's Largest Wildfire from Space. Canadian Blazes, Too

New NASA Images Show California's Largest Wildfire from Space. Canadian Blazes, Too

NASA's Opportunity Rover on Mars Still Silent 2 Months into Epic Dust Storm

NASA's Opportunity Rover on Mars Still Silent 2 Months into Epic Dust Storm

China's Chang'e 4 Lunar Lander to Far Side of the Moon Will Launch in December

China's Chang'e 4 Lunar Lander to Far Side of the Moon Will Launch in December

Mysterious Midsize Black Holes Lurk at the Hearts of Tiny Galaxies

Mysterious Midsize Black Holes Lurk at the Hearts of Tiny Galaxies

Was a Muppet Just Spotted on Mars?

Was a Muppet Just Spotted on Mars?

Image of the Day

Image of the Day

'Very Abnormal' Russian Satellite Doesn't Seem So Threatening, Experts Say

'Very Abnormal' Russian Satellite Doesn't Seem So Threatening, Experts Say

Astronaut Snaps 'Mind-Blowing' Aurora Picture from Space

Astronaut Snaps 'Mind-Blowing' Aurora Picture from Space

Paying Respect: Asteroid Honors Aretha Franklin's Unforgettable Legacy

Paying Respect: Asteroid Honors Aretha Franklin's Unforgettable Legacy

NASA Has a Wild Idea to Weigh Asteroids with a Swarm of Mini Probes

NASA Has a Wild Idea to Weigh Asteroids with a Swarm of Mini Probes

Space Weapon? US Calls Out Russian Satellite's 'Very Abnormal Behavior'

Space Weapon? US Calls Out Russian Satellite's 'Very Abnormal Behavior'

Tech

NASA Says RS-25 Engine Test for New Megarocket a Success Despite Ending Early

NASA Says RS-25 Engine Test for New Megarocket a Success Despite Ending Early

Spaceflight

Exos Aerospace Reschedules First Suborbital Launch

Exos Aerospace Reschedules First Suborbital Launch

Science & Astronomy

Water on Mars: Exploration & Evidence

Water on Mars: Exploration & Evidence

Search for Life

We Need to Keep Looking for Aliens, Scientists Tell Senators

We Need to Keep Looking for Aliens, Scientists Tell Senators

Skywatching

See Venus Shine with Jupiter and the Moon This Week!

See Venus Shine with Jupiter and the Moon This Week!

Entertainment

'Star Trek: Discovery' Beams Up Its Spock!

'Star Trek: Discovery' Beams Up Its Spock!

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Theory of Relativity in Space

Theory of Relativity in Space

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What's Inside the Sun? A Star Tour from the Inside Out

What's Inside the Sun? A Star Tour from the Inside Out

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NASA's Parker Solar Probe Mission to the Sun Explained (Infographic)

NASA's Parker Solar Probe Mission to the Sun Explained (Infographic)

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