Two space missions reached their conclusion: one with a splashdown, the other with a quiet lunar death. And thrilling new ...

NASA astronauts Sunita Williams and Barry “Butch” Wilmore splashed down safely Tuesday in the Gulf of Mexico after an ...

Stuck in space no more, NASA astronauts Butch Wilmore and Suni Williams returned to Earth on Tuesday, hitching a different ...

NASA astronauts Butch Wilmore and Suni Williams aren’t the first to run late in space, and their 9 ½-month mission falls ...

NASA's stuck astronauts are heading home now that a replacement crew has arrived at the International Space Station.

NASA and SpaceX on Wednesday night scrubbed the Falcon 9 launch of a flight intended to retrieve from the International Space ...

To Dave Eggers, the Trump administration’s firing of thousands of government employees resembles “a cartoon.” As he told the Chronicle recently, Elon Musk’s Department of Government Efficiency “could ...

After celebrating her 50th birthday in Windward Oahu, Hōkūleʻa crew members gave the public a chance to experience the voyaging canoe up close. Thousands gathered at the site in Windward Oahu ...

We'll be taking a look at the nine teams with the least amount of cap space (according to Over the Cap), and trying to figure out the best path forward for them when next week rolls around.

Listen to Story The US military’s classified mini space shuttle returned to Earth on Friday after circling the world for 434 days. The space plane blasted into orbit from NASA’s Kennedy Space Center ...

Daylight saving time begins tomorrow, and the days are getting lighter and more expansive. If we want to, we can, too.

It resembles the famous NASA space shuttle in that it is solar-powered, though it notably lacks any sort of portholes and is considerably smaller.