Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...

Dubbed 3I/ATLAS, the comet poses no danger to Earth and will remain roughly 150 million miles away as it speeds by.

Stargazers in the U.S. will find the waxing gibbous moon above the southwestern horizon as the sun sets on July 3, with Spica ...

NASA said the comet will make its closest approach to the sun in late October, scooting between the orbits of Mars and Earth ...

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

By looking at the shifting of stars in photos from the New Horizons probe, astronomers have calculated its position in the ...

Stargazing in July hopefully promises warm nights in Wyoming. The highlight of July evenings is the prominent band of the Milky Way arcing across the dark skies. Along the Milky Way, you’ll spot the ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

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 ...