For decades, Uranus baffled scientists because it seemed to have no internal heat. Now, new computer modeling shows the ...

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

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 ...