Learn how a possible ninth planet, the theoretical Planet X, could have acquired its wide orbit in the outer Solar System — a ...

Astronomers are warning about three massive asteroids orbiting Venus with unstable paths that could potentially strike Earth ...

The robotic Tianwen-2 spacecraft will collect samples from Kamoʻoalewa, which some scientists suspect is a fragment of the moon.

International researchers warn that the planet Venus is concealing at least three city-killer asteroids that could strike ...

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

In the vast expanse of space, an estimated 1 million near-Earth objects (NEOs), also known as near-Earth asteroids, are ...

A new threat looms as scientists warn of dangerous asteroids near Venus, hidden from Earth's telescopes by the Sun's glare.

China's Tianwen-2 will attempt to collect asteroid samples, return them to Earth, and then head out to explore a strange, ...