Five years after their space jaunts, the astronauts appear to be in good cardiovascular health.

Two meteor showers —the Alpha Capricornids and Southern Delta Aquariids — reach their peaks this week. Here’s how to observe ...

Just a few months after wrapping up its seventh test flight in orbit, Space Force’s experimental vehicle known as X-37B is ...

A full understanding of how lightning forms in the clouds has eluded scientists, but new research promises to solve this ...

On July 24, the Indian Space Research Organization (ISRO) rolled the NISAR (NASA-ISRO Synthetic Aperture Radar) spacecraft ...

NASA was a mere passenger. Musk has crowded low Earth orbit with satellites (nearly 8,000) that are becoming indispensable to ...

The head of Russian space agency Roscosmos, Dmitry Bakanov, has arrived in Houston for talks with the interim head of NASA, ...

NASA and India plan to deploy a satellite that will map the Earth down to a centimeter after a launch on Wednesday from the ...

SpaceX has moved a new iteration of its Starship model to its Starbase in Texas for preflight testing. The new model, which ...

What makes the Perseids great is the quantity of meteors, their showy quality and the August summer nights when you can view ...

Will the next “giant leap for mankind” be made by the United States — or by our rivals? The answer may come as Congress ...

Today in the history of astronomy, President Eisenhower signs the National Aeronautics and Space Act.