A powerful new laser-based monitoring system is giving scientists an unprecedented look at how reentering satellites and rocket debris may be contaminating Earth’s upper atmosphere. According to ...

Space junk falling out of orbit and crashing toward Earth is a growing threat. Indeed, old satellites and spacecraft parts reenter our planet’s atmosphere more than three times a day. When these ...

GOLDEN, CO — The surge in megasatellite constellations is creating problems beyond amplifying the Earth-circling space debris, according to new research. Reentering spacecraft and rocket stages may ...

After successfully completing their mission to the Moon, the Artemis II crew is about to return to Earth. The four astronauts set a new record for how far humans have travelled from Earth, reaching a ...