Neutron star mergers are collisions between neutron stars, the collapsed cores of what were once massive supergiant stars.

Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

Don Pettit is not the oldest Nasa astronaut to ever go into space, but he is the oldest currently serving. At four years past ...

On paper, the USSF is dedicated to defending U.S. interests in space. More specifically, the USSF is charged with protecting ...

President Donald Trump’s nominee to run NASA will tell US senators the agency’s priority will be to send US astronauts to Mars, while promoting a thriving space economy in orbit. (Photographer: Kent ...

Famed Australian scientist Dr Karl Kruszelnicki has weighed in on the controversy surrounding Jeff Bezo's all-female Blue ...

Blue Origin’s all-female flight drew headlines, but not progress. Visibility matters—but systemic change is what will truly launch women in space.

The team concluded a seven-month mission aboard the International Space Station (ISS), during which they spent 220 days in ...

Cake, gifts and a low-key family celebration may be how many senior citizens picture their 70th birthday. But NASA’s oldest serving astronaut Don Pettit became a septuagenarian while hurtling towards ...

Five feared dead as cloudbursts, landslides hit J&K; Pope Francis makes brief Easter appearance, calls for Gaza ceasefire, ...

Developed over more than a decade, the NASA-ISRO Synthetic Aperture Radar (NISAR) mission is the first Earth-observing satellite to feature dual-frequency synthetic aperture radar — NASA’s L-band and ...

A Soyuz capsule carrying two Russian cosmonauts and one American astronaut safely landed Sunday in Kazakhstan, concluding a ...