The James Webb Space Telescope has revealed a rare "Einstein ring," revealing two distant galaxies in an optical illusion ...

Super-Earths can exist in wider orbits around their parent stars than was previously believed, suggesting these Earth-like ...

Rabbi Zev Eleff looked, at first glance, like the kind of man who might have written a book about Jewish denominational ...

The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense within the context of a major merger." ...

For the first time, scientists have managed to spot a lonely black hole drifting through space thanks to its gravity ...