NASA's SPHEREx space telescope detected organic molecules coming off comet 3I/ATLAS as the interstellar visitor made its closest approach to Earth in December.

NASA’s Neil Gehrels Swift Observatory temporarily halts science operations to reduce orbital drag, preparing for a commercial reboost mission with Katalyst Space Technologies.

NASA’s NEOWISE archival data tracks a massive star in Andromeda fading quietly into a black hole, providing detailed observations of stellar collapse and gas expulsion from 2005 to 2023.

A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...

To avoid Swift being dragged down low enough to hit Earth’s atmosphere, NASA tapped an Arizona-based startup to launch a ...

A massive star in the nearby Andromeda galaxy has simply disappeared. Some astronomers believe that it's collapsed in on ...

Travel back 390 million years after the big bang to the ancient Maisie's Galaxy in this stunning 3D visualization that ...

A global team of astronomers, led by the University of Warwick, have used a European Space Agency (ESA) telescope to discover ...

Their observations of a faint, cool M-dwarf star called LHS 1903 revealed a system with a rocky world at its outer edge. LHS ...

41P/Tuttle-Giacobini-Kresak is now known to be in the Jupiter family of comets, going from a little inside Jupiter's orbit to almost as far as Earth on its 5.4-year orbit. It is notable for its large ...

Physicist Sean Carroll explains how physics, astronomy, philosophy, and classics all help us understand the expanding ...