Debris released from the asteroid Dimorphos during NASA's DART mission has a higher momentum and less random distribution ...

A strange interstellar object is racing toward our solar system, and while NASA says it’s a comet, a top Harvard scientist ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Astronomers have uncovered a massive, hidden exoplanet nestled in the dusty disc of a young star—MP Mus—by combining ...

The nonprofit organization collects reports of UFOs and investigates cases of unexplained sightings. The 2,174 sightings are ...

The object is big – possibly as wide 12 miles, larger than the asteroid that wiped out the dinosaurs – and is speeding ...