They’ve lived through the ice age, the asteroid that wiped out the dinosaurs and brushed off an atomic blast just a mile away ...

An object that orbits in the space between Jupiter and Neptune has chemistry that could tell us more about the birth of the ...

A strange asteroid-comet hybrid that orbits between Jupiter and Neptune could reveal key details about the birth of our solar ...

When NASA’s Dawn spacecraft visited the giant asteroid Vesta, it discovered intriguing channels on the rocky surface, ...

Discover what astronomers are learning about an ancient ice giant traveling through our solar system that's a strange hybrid ...

Cratered surfaces across our solar system reveal signs of ancient impacts, but mysterious gullies on Vesta might have formed ...

Astronomers posed over the past decade that dark comets, or objects that resemble asteroids but move like comets, may exist.

its dust and ice begins to vaporize. When viewed with a telescope, a comet appears fuzzy and like it has a tail as the vapor trails it. [ Related: Dinosaur-killing asteroid likely came from deep ...

"We want to build up a population so we can get a clearer idea of what their broader properties are — such as their sizes, activity duration and distribution within the asteroid belt, for example — so ...

The ring might have acted like a giant sunshade, causing a cooling effect that might have unleashed an ice age.

Scientists using NASA’s James Webb Space Telescope have studied Chiron, a centaur orbiting between Jupiter and Neptune, ...

"This object is not just an asteroid that experienced a one-off event ... and that the "snow line" – the boundary between where ice could and couldn't exist in the protoplanetary disk that ...