A team led by the Italian National Institute for Astrophysics discovered the most distant known fossil galaxy — a relic of ...

The new galaxy, because of how far away it is, looks to observers exactly as it did when it was first created 3 billion years ...

Unlike rocky planets where asteroid impacts leave visible craters, gas giants like Saturn have outer layers of hydrogen and ...

Using NuSTAR and XMM-Newton satellites, astronomers from New York University (NYU) Abu Dhabi have observed a pulsar known as ...

A close-in exoplanet is triggering stellar flares and self-destructing. This is the first direct evidence of planet-star ...

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

Astronomers investigate a potential impact on Saturn after a bright flash was caught on camera. NASA image may show first ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

Scientists have observed a new type of black hole that is too heavy to have been born from a star but still too slim to … The ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

"This tangible evidence of a double detonation not only contributes towards solving a long-standing mystery, but also offers ...

Astronomers have finally caught a dying star in space going out with a bang — and then another bang. The new photographic ...