An Asteroid with Its Own Moon Will Zip Past Earth Tonight By Rafi Letzter Asteroid 1999 KW4 has its own moon!
On This Day in Space! May 25, 2008: Phoenix Spacecraft Lands on Mars By Hanneke Weitering On May 25, 2008, NASA's Phoenix lander arrived on Mars. See how it happened in our On This Day in Space videos series!
Space Travel Causes Joint Problems in Mice. But, What About Humans? By Hanneke Weitering After spending a month in space, a small group of mice returned to Earth with joint problems. Now scientists are wondering what that means for humans who go to space.
Wow! This Is What SpaceX's Starlink Satellites Look Like in the Night Sky By Tariq Malik A satellite tracker has spotted SpaceX's Starlink fleet in the sky a day after the 60-satellite launch. The view is amazing!
Elon Musk Says It's 'So Far, So Good' for SpaceX's 1st 60 Starlink Satellites By Mike Wall The first 60 satellites in SpaceX's huge Starlink constellation haven't experienced any hiccups in orbit thus far.
How Dead Aliens Could Help Save Humanity By Mike Wall Those who don't learn the lessons of an extinct alien civilization's fall may be doomed to repeat it.
Sen Launched 4K Video Cameras Into Space. Here's What They Saw. By Elizabeth Howell New video views of Earth show our planet in stunning high-definition, courtesy of a newly-launched 4K video-streaming platform.
Space Travel Causes Joint Problems in Mice. But, What About Humans? By Hanneke Weitering After spending a month in space, a small group of mice returned to Earth with joint problems. Now scientists are wondering what that means for humans who go to space.
Boeing Completes Tests of Starliner Thrusters By Jeff Foust Boeing has completed ground testing of the thrusters for its CST-100 Starliner commercial crew vehicle, nearly a year after a setback in earlier testing of those thrusters.
Gorgeous Orion Nebula Glows in Stunning Red and Blue Light (Photo) By Miguel Claro Captured in the visible light spectrum, this deep-space image paints a sharp and colorful picture of the great Orion Nebula.
Pictures from Space! Our Image of the Day By Hanneke Weitering Europe's city lights gleam through clear skies in this post-sunset photo by Canadian Space Agency astronaut David Saint-Jacques.
How Dead Aliens Could Help Save Humanity By Mike Wall Those who don't learn the lessons of an extinct alien civilization's fall may be doomed to repeat it.
You Can Send Your Name to the Red Planet on NASA's Mars 2020 Rover By Mike Wall NASA is inviting people around the world to submit their names for inclusion on microchips that will fly aboard the life-hunting Mars 2020 rover, which is scheduled to launch next summer.
NASA Puts Mars 2020 Rover's Space Ride to the Test (Photo) By Mike Wall Earlier this month, engineers put the Mars 2020 rover's fully assembled spacecraft through some tests at the Space Simulator Facility at NASA's Jet Propulsion Laboratory in Pasadena, California.
Watch Saturn Play Peekaboo with the Moon Tonight! By Hanneke Weitering The moon will make a close pass to Saturn this evening (May 22), so close that our natural satellite will block the view of the ringed planet for skywatchers in parts of the world.
Space Launch Calendar 2019: Sky Events, Missions & More By Hanneke Weitering Here's a guide to SpaceX's launch schedule, other rocket missions, astronomical events of the next year, as well as milestones for spacecraft already in travel.
The First Trailer for 'Star Trek: Picard' Is Here By Scott Snowden Hot on the heels of the logo and title reveal comes our first look at the new "Star Trek: Picard" spin-off series, focusing on Jean-Luc Picard, played by Patrick Stewart.
'Terminator: Dark Fate' First Teaser Trailer Has Arrived By Scott Snowden Cinema's favorite silver-suited, metal-booted cybernetic killing machine is back.
Best Astronomy and Astrophysics Books By SPACE.com Staff Space.com's editors present a list of the astrophysics and astronomy books worth a read-through.
