The launch of Expedition 58 (Dec. 3) may be one of the last for U.S. astronauts aboard Russian Soyuz rockets.
I hope you're not all partied out after the InSight lander's successful touchdown on Mars this week, because there's another big spaceflight event just around the corner.
An enormous cosmic neighborhood that's home to more than 1,000 gravitationally bound galactic neighbors is bursting with thousands of stray star clusters, images from the Hubble Space Telescope have revealed.
Always wash your hands after using the space toilet. Always.
The moon is pretty enough here from Earth, but it's even more stunning up close, as this new image from NASA reminds us.
The first crew to launch on Russia's Soyuz spacecraft since its October failure lifts off Monday (Dec. 3), and Space.com contributor Elizabeth Howell is on the scene. Read live updates here.
A new federal report warns of gloomy changes if human-induced climate change continues unchecked — but a nearby world has an even hotter climate problem than ours, and scientists say we could learn some valuable lessons from it.
A new video gives a bird's-eye view of the patch of Mars that NASA's InSight lander now calls home.
The first African-American astronaut will soon get a fitting spaceflight tribute, if all goes according to plan.
The era of the interplanetary cubesat has dawned.
If you're a fan of really big numbers that don't actually tell you much about the world, Clemson University astrophysicist Marco Ajello has a great one for you: 4 x 10^84.
NASA has selected the first batch of U.S. companies to join the agency on its journey to its next destination, the moon, which NASA wants to explore in order to prepare to go on to Mars.
An Indian rocket successfully lofted 31 satellites to Earth orbit late Wednesday night (Nov. 28), just a few days before the scheduled liftoff of a SpaceX booster that's even more jam-packed.
The going rate for moon rocks has changed for the first time in 25 years.
An Indian Polar Satellite Launch Vehicle successfully lofted 31 satellites to orbit late Wednesday night (Nov. 28). See photos of the liftoff here.
A new advisory committee has proposed a set of recommendations to NASA in areas ranging from export control to advertising to enhance commercial activities in space.
The space station robot CIMON has exchanged its first words with its spacefaring crew.
In the adorable new kids' book "Europa Excursion," a team of furry, four-legged astronauts embarks on a deep-space journey to Jupiter's icy moon Europa.
While the Soyuz spacecraft has been delivering crews to space for decades, with a history of reliability over that time, changes in the industry mean that Russia is now struggling to keep its spaceflights safe, said an expert in the Russian space program.
SpaceX has once again delayed the launch of its historic SSO-A ride-share mission, which was scheduled to launch 64 small satellites on a twice-reused Falcon 9 rocket on Wednesday (Nov. 28).