As soon as this week, NASA officials will make perhaps the agency’s most consequential safety decision in human spaceflight in 21 years. NASA astronauts Butch Wilmore and Suni Williams are nearly 10 weeks into a test flight that was originally set to ...

NASA’s Voyager 1 is approaching an extraordinary milestone nearly 50 years after its launch, even as engineers battle dwindling power and mysterious technical problems. A clever energy-saving maneuver has extended the spacecraft’s scientific mission,

Add Yahoo as a preferred source to see more of our stories on Google. Fleets of landers, rovers and drones will head to the moon in the months and years ahead before humans even step foot on the lunar surface for the first time in more than 50 years.

In the Martian lowlands, one rocky crater is dotted with small holes, winding from the floor to the rim like breadcrumbs. Their clean and cylindrical appearance is distinctly unnatural, suggesting the work of aliens—which it is. For three years, a robot ...

Launching no earlier than Wednesday, Feb. 26, NASA's Lunar Trailblazer will help resolve an enduring mystery: Where is the moon's water? After sharing a ride on a SpaceX Falcon 9 rocket with Intuitive Machines' IM-2 launch—part of NASA's CLPS (Commercial ...

Agency says its designed to accelerate experimental testing of advanced and emerging aviation technologies.

NASA has unveiled its next experimental aircraft, dubbed the X-70 Fractal. Well, “unveiled” may be a bit of a stretch. During this week’s UP.Summit at Kennedy Space Center in Florida, NASA administrator Jared Isaacman announced plans for the “crewed,

Two astronauts who just embarked on a spacewalk a week ago are due to once again exit the International Space Station. How to watch NASA's coverage.