A spacecraft rocketed into orbit Friday to rescue a NASA telescope that is in danger of crashing back to Earth.

Massive satellite surge: ESO warns that planned mega-constellations totalling 1.7 million satellites would severely impact astronomy, far exceeding the safe limit of 100,000 faint satellites.

Swift has been circling Earth for 21 years. Without a rescue mission assembled in just nine months, it would burn up by ...

A tiny particle that barely interacts with anything in the universe has helped scientists solve one of astronomy's long-standing mysteries. In 2021, the IceCube Neutrino Observatory buried deep in the ...

We might not have to go scorched Earth after all. Contrary to popular belief, the Earth might actually weather the fiery death of the sun that’s expected to engulf our neighbors, per a relieving study ...

The star’s looming death will dramatically reshape the inner solar system, engulfing Mercury and Venus in a fiery sphere. The ...

The planet should not have survived the star's red giant phase—which sees a star balloon to more than 100 times its original ...

The X1.1 eruption briefly disrupted radio communications across the daylight side of Earth.

A new study has revealed an unexpected link between solar storms and the flux of high-energy cosmic rays arriving at Earth.

Citizen scientists using the Kilonova Seekers platform spotted a stellar flash 2,500 times brighter than before, allowing astronomers to identify the exploding cataclysmic variable GOTO0650 within ...