Earth asteroid lurked undetected for decades until a telescope in Hawaii spotted it earlier this year. It may be Earth's ...

A bus-sized asteroid, first observed a week ago, will fly closely past Earth tomorrow (September 3). This space rock will ...

How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of ...

Asteroid 2025 QV5, which was first spotted in late August, will make a close approach to Earth on Wednesday (Sept. 3). It ...

The U.S. military's X-37B space plane is about to begin a series of novel maneuvers, according to a rare official update on ...

Space junk has filled up so much of Earth's orbit that it's endangering satellites and astronauts. The company Kayhan Space issues roughly 1,000 space-collision warnings per day. Earth-orbit experts ...

A Soviet-era spacecraft plunged to Earth on Saturday, more than half a century after its failed launch to Venus. Its uncontrolled entry was confirmed by the Russian space agency Roscosmos and European ...

The Bion-M No. 2 biosatellite is being readied for its planned Aug. 20 launch atop a Soyuz-2.1b rocket from Baikonur ...