A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.

Astrophysicists suggest our galaxy may lie inside a "cosmic void" - offering a new explanation for the universe’s conflicting ...

It's the so-called "Milky Way season" in the Northern Hemisphere. Here's everything you need to know about viewing the galaxy ...

NASA’s SPHEREx mission is mapping the entire sky in 102 infrared colors, turning raw space data into a public tool for ...

"The best time to see the Milky Way in (Massachusetts) is from March to September," according to the Capture the Atlas ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

Admire our galaxy’s dramatic galactic core—a sparkly bulge of stars and gas—while summer’s short ‘Milky Way season’ lasts ...

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 ...

The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.

In Australia, millions of newly hatched Bogong moths embark on an impressive journey twice a year. Each spring, they hatch ...