Space Exploration

The Hubble Space Telescope entered safe mode and stopped conducting science on April 23 when one of its three remaining gyroscopes sent faulty readings back to Earth.

Superradiant atoms could help us measure time more precisely than ever before, a theory developed with the aid of the great-grandson of the "father of the atom," Niels Bohr.

A SpaceX Falcon 9 rocket launched another batch of the company's Starlink internet satellites on Sunday (April 28).

Space.com caught up with ESA Director General Josef Aschbacher recently to talk about Europe's space plans and priorities going forward.

NASA's Europa Clipper spacecraft, headed to Jupiter’s ice-covered moon Europa in October 2024, will carry a laser-etched message that celebrates humanity’s connection to water.

A SpaceX Falcon 9 rocket launched a European satellite-navigation mission on Saturday (April 27). It was a record-tying 20th liftoff for this particular booster.

Russia's ambassador to the U.N. vetoed a resolution sponsored by the United States and Japan that called upon all nations to never deploy nuclear weapons in outer space.

Boeing's Starliner spacecraft is about to make its first launch May 6 with NASA astronauts on board. Unlike SpaceX, however, Boeing has not yet announced any private missions.

A recent $32 million contract between the U.S. Space Force and Rocket Lab will lead to the creation of a spacecraft to enhance national security supporting space domain awareness.

The private ADRAS-J probe snapped an epic, up-close image of its rendezvous target, a Japanese rocket stage that's been circling Earth since 2009.