We look ahead to a future moment when asteroid Bennu will pass dangerously close to Earth and why even small odds demand ...

The dazzling lights of the aurora are created when high-energy particles from space collide with Earth's atmosphere. While ...

Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf ...

Deneb, Vega and Altair are among the brightest stars in the night sky.