Our Solar System has eight planets, a few dwarf planets and more than 200 moons. But wait. Are you seeing double? Or did ...

Now, however, Pluto and that part of the solar system has moved away from the backdrop of the Milky Way into a sparser region of the night sky. With its Hyper Suprime-Cam (HSC), Subaru has discovered ...

NASA's Voyager 1 spacecraft took a photo of Earth and the moon. It was the first time both the Earth and the moon were ...

A doctoral student at the University of Kansas led a study last may that discovered 15 new exoplanets. The study set a record ...

The existence of the hypothetical Planet Nine, believed to be lurking on the fringes of our solar system, is being questioned by new astrophysical research. This comes after extensive searches have ...

Astronomers have found evidence of a process that supports an alternative, more rapid approach to planetary formation, more ...

NASA’s Europa Clipper spacecraft, the largest the agency has ever built for a planetary mission, will travel 1.8 billion ...

The first time Earth’s geologic record – information found inside rocks – has been used to create an animation of this kind.

Flybys of primordial black holes may occur once a decade. Tweaks to the orbits of planets and GPS satellites could give away their presence.

"Primordial black holes do not live in the solar system. Rather, they're streaming through the universe, doing their own thing," said researcher Sarah Geller.

Astronomers have observed three types of black holes in the universe. Stellar-mass black holes formed from the collapse of a ...