By analyzing the data from the Pan-Andromeda Archaeological Survey (PandAS), European astronomers have discovered a new satellite of the Andromeda galaxy. The newfound object, which received the ...

Astronomers have identified a new satellite of the Andromeda galaxy, designated Andromeda XXXVI, making it one of the faintest stellar systems ever detected in the vicinity of our nearest large ...

The Andromeda galaxy (M31) has been captured by the Chandra X-ray Telescope. See the imagery and hear a sonification of it.

A galaxy is a massive, gravitationally bound system. It contains stars, stellar remnants, interstellar gas and dust, and a ...

Four American astronauts have just traveled to the far side of the moon, farther from Earth than any human has gone.

Einstein, Juan Maldacena, Mark Van Raamsdonk, Brian Swingle and other physicists have pushed modern physics into a place ...

There’s a trio of interesting things to tickle your mind in this image. First, that beautiful boab, backlit by a distant ...

Each spring, amateur astronomers attempt the ultimate stargazing challenge—an overnight quest to spot every galaxy, nebula, ...

Forget museums and restaurant reservations. Travelers in 2026 plan entire trips around what happens after dark, with the ...

Dr. Pierre Martin and his team created an animation showing two galaxies colliding more than 440 million years ago.

Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have ...

India's dark sky reserves at Hanle and Pench are working. The science is intact, the wildlife is recovering, and the Milky ...