This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away ...

A massive star roughly 2.5 million light-years away in the Andromeda Galaxy has quietly disappeared, and the best explanation ...

NASA’s Neil Gehrels Swift Observatory, a 21-year-old space telescope that has tracked gamma-ray bursts and cosmic explosions since 2004, is losing altitude fast enough that the agency has suspended ...

Astronomers have finally figured out how the most common types of planets in our galaxy are formed—by watching a set of baby planets grow up in real time. These worlds, found in a young star system ...

If plans by the UK’s science funding body go ahead, we won’t be able to benefit from Britain’s membership of Cern and other large international projects, says Jon Butterworth, professor of physics at ...

The colonisation of Mars has long been a human dream. But as Scott Solomon explains in Becoming Martian, it would be a ...

For a few brief nights each year, you get a rare chance to watch a monster blink. The Event Horizon Telescope collaboration has released new, detailed views of M87*, the supermassive black hole at ...

Richard Carrington’s name has long been connected with the most intense solar storm ever recorded, but his face was unknown ...

Discover the 2026 'Ring of Fire' annular solar eclipse. Find out what this rare astronomical event is, when it happens, and ...

Additionally, the dark matter theory could explain another galactic phenomenon: why stars at the outskirts of the Milky Way ...

In the nearby Andromeda Galaxy, a massive star bright enough to stand out for years has gone dark. Not in a blaze of glory.

Astronomers want to collect as much data as possible using as many systems as possible. Sometimes that requires coordination ...