In summer, we face toward the Milky Way's hub in the Teapot constellation, home to the galaxy's supermassive black hole.

British astronomers may have solved the mystery of an "interstellar object" hurtling towards our planet. Scientists believe the mysterious interstellar visitor may be the oldest comet ever observed.

This most fundamental question was famously posited by none other than Nobel laureate physicist Enrico Fermi (1901–1954).

Dark matter is one of nature's most confounding mysteries. It keeps particle physicists up at night and cosmologists glued to ...

There may be many more satellite galaxies in the Milky Way than have been observed, according to new Durham University ...

New simulations suggest that dozens of ultra-faint “ghost” galaxies may be orbiting the Milky Way, hidden from current ...

Well, it's July 12, which means (a) the Steam Summer Sale is over and (b) it's really hot outside in the northeastern U.S.

A mysterious object, first observed hurtling across the solar system on July 1, has now been identified as "very likely to be ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

Take a journey through the Milky Way galaxy, exploring the wonders of our solar system and the distant stars that illuminate the night sky. The Milky Way is home to over 100 billion stars, each with ...