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's atmosphere pulses in sync with the sun's fiery outbursts, indicating it is more sensitive to solar activity than previously thought, according to new research.

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 ...