A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

The team found that the planet, dubbed HIP 67522 b, orbits its parent star so tightly that it appears to cause frequent ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

(ABC 6 News) — On Tuesday, the Minnesota River Valley Drug Task Force arrested a repeat drug offender on new charges.

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

There could be life out there—way, way out there. Last Wednesday, NASA announced that its James Webb Space Telescope had discovered “compelling evidence” of a planet that is potentially habitable. The ...

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

The spacecraft, MethaneSAT, was just a year into its mission to provide a clearer picture of planet-warming emissions from ...

Three new full-dome movies will highlight the July schedule at the University of Wyoming Harry C. Vaughan Planetarium.

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for ...