A massive asteroid, spanning more than two miles across, has just made its closest approach to Earth in decades - but its ...

Alinda, which measures about 4.2 kilometers in diameter, can be seen from our planet. This is due to an astronomical ...

"it's not completely unusual for asteroids to be near the Earth," Gallagher said. "Our moon is about a quarter million miles ...

An asteroid larger than Manhattan is approaching Earth this week, offering a unique opportunity for astronomy enthusiasts.

Explore the major astronomical events of 2025, including meteor showers, Supermoons, New Moons, and Mercury's greatest ...