The second-largest asteroid in the solar system is Vesta, and it may be a piece of an ancient lost planet. […] ...

The sun has produced stunning auroras on Earth in recent years as solar activity has peaked—but expect more in coming years ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

Vesta might be a shattered remnant of an early planet, not a failed one—forcing scientists to rethink how worlds begin.

Vesta, thought to be the second-largest asteroid in the solar system, could be a piece of an ancient, unknown planet, a new ...

For decades, scientists believed Vesta, one of the largest objects in our solar system's asteroid belt, wasn't just an ...

For decades, scientists believed Vesta, one of the largest objects in our solar system's asteroid belt, wasn't just an asteroid and eventually concluded it was more like a planet with a crust, mantle ...

Their study, published Monday in Nature Astronomy, describes Eos as a vast structure made mostly of molecular hydrogen — the key ingredient for forming stars and planets ... in space that surrounds ...