Satellites could have a longer life and space become a bit tidier if Starfish Space's Otter Pup 2 mission pans out. Scheduled to launch later this year, it aims demonstrate how a small craft can dock ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

The orbital angular momentum of electrons has long been considered a minor physical phenomenon, suppressed in most crystals ...

The satellite population in low Earth orbit (LEO) is not an open book. While data on many satellites is public, others are ...

As the capsule descends lower into the atmosphere, Reiff said NASA's orbital-debris trackers will be able to calculate the last few orbits it will make before falling. Then they'll have a range of ...

In a rare airborne mission, scientists chased ESA's Cluster Salsa satellite as it reentered Earth's atmosphere. The fiery descent revealed emissions of lithium, potassium, and aluminum—chemicals ...

Though astronomers have known about the threat posed by near-Earth objects since the 1970s, efforts to catalogue potentially dangerous asteroids and meteors have only seriously materialized in the ...

Halley's comet swings near Earth every 75 years. But debris left by the comet leads to two major meteor showers every year, including the Eta Aquarids.Related video above: A galaxy named for its ...

Get ready for a celestial spectacle! The Eta Aquarid meteor shower, spawned from Halley's Comet debris, is set to peak on May 6th. Stargazers might witness up to 50 meteors per hour. Visible ...

Halley’s comet swings near Earth every 75 years. But debris left by the comet, last seen in 1986, leads to two major meteor showers every year including the Eta Aquarids. When this meteor shower ...