Mysterious object moving through space could be lost Soviet probe as NASA weighs in on theory

Astronomers stunned after James Webb Space Telescope discovers the earliest pair of black hole-powered quasars

NASA needs more astronauts for moon missions and beyond. You can apply now, but only until Dec. 3

A Dark Comet Mystery Just Got Stranger After Astronomers Found Its Acceleration May Have Nothing to Do With Ice

Europe's Hera spacecraft begins close inspections of an asteroid rammed by NASA in a 2022 test

Europe's Hera spacecraft has begun close inspections of the asteroid NASA deliberately rammed in a 2022 test, extending a planetary-defense experiment.

Scientists challenge the dream of bringing extinct species back to life

Earth's Plate Tectonics Evolved Dramatically 2.7 Billion Years Ago