Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a ...

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

The great planetary parade in February 2025 will see five bright planets in clear view and a special alignment of Mercury and ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet ...

Despite common assumptions, the disk of our Solar System is warped, and the planets travel around the Sun in slightly eccentric (or oblong) orbits. Scientists now think that a mysterious object ...