Scientists believe a crater found in the Australian outback may be the oldest-known meteor crash site in the world. As AFP ...

NASA is closely monitoring a building-sized asteroid as it makes its closest approach to Earth today, among a group of five other space rocks passing by our planet over the next two days. The asteroid ...

Three Tucson scientists are featured in "Planetary Defenders," a new NASA documentary that premieres Wednesday about the ...

The Lyrid meteor shower will be visible in London night skies tonight (Thursday, April 16). This meteor shower is known for ...

New analysis shows several families of dinosaurs were likely thriving in North America in the latter days of the dinosaur era ...

Water did not come to Earth from asteroids – it was already here, a new study by the University of Oxford suggests. Many ...

Researchers have proposed many origins for a gravity anomaly in Wilkes Land, East Antarctica, but the latest evidence ...

You don't need fancy equipment or to travel far to find a place to stargaze. Here are some fun spots in Delaware to watch the ...

A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and several years ago he saw something he couldn’t explain. Farnocchia works at ...

Scientists say defunct satellites and spent rocket stages returning to Earth, from the thousands launched every year, can be ...