Genesis data is now producing high impact science in cosmochemistry, solar physics, coronal mass ejections, and space ...

NASA proposes a faster, cheaper plan to bring Mars samples to Earth, aiming for delivery by the 2030s while cutting costs ...

While SpaceX lost the upper stage of its new Starship in a flight test, the futuristic spacecraft presages a spaceflight revolution, says a leading U.S. space scholar.

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.

Nasa astronaut Suni Williams, one of two astronauts stuck on the International Space Station, has completed her first ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

"The question 'Are we alone?' is one of the most significant questions, not just in the history of science, but in the ...

A Chinese action camera used by NASA, the U.S. Air Force and many Americans is collecting data and communicating with servers ...

NASA's new Lunar Magnetotelluric Sounder, set to land on the Moon's surface in 2025, aims to revolutionize our understanding ...

"Some of the extreme ultraviolet light above active regions flickers erratically for a few hours before a solar flare," ...

One of NASA's two stuck astronauts is getting a change of scenery. Suni Williams stepped out on a spacewalk Thursday, her ...