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

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 ...

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, ...

A dazzling celestial display will light up the night sky in the form of the first meteor shower in three months. The Lyrid ...

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

The Lyrid meteor shower is about to reach its peak activity for April. Here's when and how to see it, along with a cloud ...

Don Pettit, along with two Russian cosmonauts, touched down in Kazakhstan Saturday evening after a 220-day mission abroad the International Space Station.