A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

New observations from the Hubble Space Telescope have revealed surprising activity inside the Andromeda galaxy. The data ...

Most of the universe is slipping away from the Milky Way, carried outward as space itself expands. Yet one giant neighbor is bucking the trend, racing straight at us while almost every other major ...

Astronomers tracked a star that slowly faded instead of exploding. The quiet disappearance may reveal a hidden way black holes are born.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

A star in the Andromeda Galaxy has inexplicably vanished, leaving behind a puzzling red light source that is baffling astronomers.

Discover the limits of human sight: from a 3-mile horizon and candle flames 2.8 km away to seeing galaxies 2.5 million ...

High in the trans-Himalayan landscape of Ladakh lies Hanle, a remote village cradled by rugged mountains and vast silence. Often called the roof of the world, Hanle is India’s first officially ...

Beyond the auroras, Hanle remains India’s most important stargazing destination and a dark sky reserve ...

The University of Wyoming Harry C. Vaughan Planetarium is planning to celebrate the expected Artemis II launch mission during ...

Inverclyde astronomy expert Stephen McAllister explains how he went about capturing the Andromeda galaxy on camera.

The solution to a persistent astronomical question that has puzzled scientists for half a century has emerged not from direct observation, but from the computing power of sophisticated computer ...