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

The Milky Way and the neighboring Andromeda galaxy are currently hurtling through space toward each other at a speed of about 250,000 miles per hour (400,000 kph), setting up a possible future ...

Scientists previously predicted the pair of galaxies would merge in about five billion years. Now, research suggests that ...

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

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

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

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

Australian Bogong moths have been shown to use constellations and the Milky Way as a celestial compass to navigate annual ...

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 ...

“How close they come on their first passage is very uncertain, however, and if they don’t come very close, meaning if their distance is more than around 500,000 light-years, they might not ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...