The asteroid belt orbiting between Mars and Jupiter would hurl fragments if it got destabilized, turning it into dust upon mutual collisions.

Astronomers warn that Earth may be at risk from previously undetected asteroids co-orbiting near Venus. Hidden by the Sun’s glare, these “invisible” objects could eventually cross Earth’s orbit.

Because the known Venus co-orbitals have strong eccentricity, they can move farther away from Venus and closer to Earth, thus becoming easier to see in our sky at twilight, when the Sun is below the ...

This peculiar behavior has long fascinated scientists, particularly after NASA’s Voyager 2 flyby of Uranus in 1986. The spacecraft revealed a planet that was unusually cold inside, prompting ...