Our galaxy will make for a particularly splendid sight on the dark nights surrounding the new moon phase on Aug. 23.

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there are.

A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system came from.

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

Moreover, the model accounts for the gravitational influences acting on the Oort cloud, both from within our solar system and from external sources like other stars and the Milky Way galaxy's center.

An explanation of why some argue it's better to photograph the Milky Way in summer and how to do it, including the best camera settings ...

Astronomers found hidden cosmic channels, like tunnels, connecting our solar system to distant stars, reshaping views of ...

Some 2,600 light-years from our own Solar System dwells one of the most peculiar planetary systems in the entire galaxy. Called Kepler-51, the Sun-like yellow dwarf star was found in 2012 to have ...

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 light-years away.