The space station welcomed four new crewmembers on Saturday, and their spacecraft captured some dramatic footage shortly before it docked.

Our solar system orbits the Milky Way galaxy once every 200 million years, driven by a supermassive black hole at its center.

New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once orbited in mathematical harmony around the infant sun.

Nasa's powerful James Webb Space Telescope is showing us something humankind has never witnessed firsthand before: The birth ...

Its path through space will take it between the orbits of Earth and Mars before it heads back out toward interstellar space ...

Exciting new findings reveal that WASP-121b, a blazing-hot giant planet, may have formed far from its star in a colder, ice-rich region—before migrating inward to its current extreme orbit. Chemical f ...