The star Vega has been known to us for years, but that doesn't mean it's short on surprises. Here's what astronomers found ...

Mars is home to perhaps the greatest mystery of the solar system: the so-called Martian dichotomy, which has baffled scientists since it was discovered in the 1970s.

A massive asteroid, named 2024 WY70, is hurtling towards Earth at an alarming speed of 36,606 km/h and is expected to pass ...

Arrokoth is composed of two separate bodies, 3 and 9 miles across. In the distant past they rotated so slowly about each other that their mutual gravitational attraction caused them to come together ...