Sunita "Suni" Williams had an unexpectedly long stay at the International Space Station after her capsule malfunctioned.

Sunita "Suni" Williams had an unexpectedly long stay at the International Space Station after her capsule malfunctioned.

Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

A corner of the internet appears to believe that Suni Williams returned to Earth with dark hair despite it being gray while in orbit.

A corner of the internet appears to believe that Suni Williams returned to Earth with dark hair despite it being gray while ...

"In a total lunar eclipse, the entire moon falls within the darkest part of Earth’s shadow, called the umbra. When the moon ...

By mission completion, this atlas will cover around one-third of the entire night sky over Earth ... Credit: ...

The Euclid space telescope released its first astronomical data, revealing insights into dark matter and dark energy.

Cosmologists are using cutting-edge computational tools to uncover the secrets of dark matter and dark energy, which together ...

"It has been an honor to enable science and technology experiments that support future missions to the moon, Mars and beyond.