A cosmic explosion with an energy equivalent to the output of a billion suns went unnoticed by astronomers until they caught ...

Astronomers have uncovered evidence of a dramatic cosmic crash unfolding around a distant star. While reviewing archived ...

Astronomy advocacy groups are ringing alarm bells about two proposed satellite constellations, warning that they threaten to change the sky forever. SpaceX has applied to the U.S. Federal ...

When Anastasios Tzanidakis was sifting through some older telescope observations, he stumbled across something that should ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

Astronomers warn as 1 million AI-powered Starlink satellites rival starlight. Explore how orbiting data centers threaten deep ...

The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the ...

When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

Astronomers have detected strange "wobbles" in the light curve of a super bright supernova, hinting that a magnetar was born inside the extreme stellar explosion.

Astronomers have slammed SpaceX and Reflect Orbital plans for unnaturally brightening skies and disrupting ecosystems.

Astronomers using MeerKAT have detected the most distant and powerful "cosmic laser" ever observed, offering new insights ...

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...