Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

The Solar System, home to Earth and countless other fascinating planets and moons, exists within the Milky Way galaxy. But ...

Explore the fascinating motion of our Solar System as it journeys not just around the Sun, but also through the vastness of the Milky Way galaxy and the Universe beyond. This in-depth video unpacks ...

In a cosmic first, scientists watched planet-forming materials begin to solidify around a newborn star, offering a peek into what our Solar System may have looked like at birth. It’s a stunning replay ...

The solar system consists of eight planets, several dwarf planets, hundreds of moons, and billions of asteroids, comets and meteoroids. The exact boundaries of the solar system ar ...

“What we’ve been trying to do is find a baby version of our Solar System somewhere else,” Merel van ’t Hoff, an astronomer at ...

The spiral galaxy M83 is captured face-on, providing a clear view of its full structure. Chandra's X-ray data reveals ...

The newly released images from a December flyby are so detailed that scientists can see explosions and the flow of solar winds.

The newly discovered world — a "sednoid" — challenges what planetary scientists thought they knew about the edge of the solar ...

Captured in infrared light by the James Webb Space Telescope, the peculiar star system Apep consists of two dying stars ...