NASA is tracking a plane-sized asteroid known as 2025 XM as it hurtles toward Earth’s neighborhood at roughly 9,753 miles per hour, a reminder of how busy and carefully watched our cosmic surroundings ...

An asteroid about the length of three football fields is due to pass closely – but safely – by Earth in a matter of hours. Talk of asteroids coming too close for comfort to Earth may remind people of ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

NASA’s latest measurements show that Earth is reflecting less sunlight back into space, a subtle dimming that carries outsized consequences for the climate system. At the same time, cleaner air for ...

NASA is making final preparations for two spacewalks at the International Space Station (ISS). It’s been eight long months ...

NASA plans to launch a mini satellite into Earth's orbit that could revolutionize astronomy as we know it.

Today NASA astronauts Butch Wilmore and Suni Williams splashed down off the coast of Tallahassee, Fla., at 5:57 P.M. EDT, marking the end of their unexpectedly lengthy stay in space. The pair returns ...

On Christmas Eve 1968, Apollo 8 crewmembers Frank Borman, Jim Lovell, and Bill Anders made a live broadcast from orbit around the Moon.

An asteroid about the length of three football fields is due to pass closely – but safely – by Earth in just a few hours. The gigantic space rock, which NASA compares to the size of a stadium, has a ...