The James Webb Space Telescope (JWST) has captured one of the most stunning and rare cosmic sights in astronomy: a nearly ...

After more than a decade of service, the European Space Agency’s Gaia spacecraft has been powered down for good—closing one ...

A striking new image from the James Webb Space Telescope shows a rare object called an Einstein ring. This shows what appears to be a ring-shaped object in the sky, but is actually created by two ...

Webb captured an Einstein ring formed by a distant galaxy's light bending around a closer one. This rare alignment magnifies ...

But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

Europe's Gaia space telescope was powered down and sent into "retirement" on Thursday after a decade revealing the secrets of ...

Astronomers have uncovered a spiral galaxy nearly a billion light-years away that hosts a supermassive black hole launching ...

The final messages sent to Gaia will continue to be carried out into space as the observatory sleeps, and as data from it ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

Planets can be extremely hot when they are born, and new computational experiments show that such planets would have an atmosphere composed of a homogenous mixture of hydrogen and water. As the ...

Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.