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

ACES will gather ultra-precise data across at least ten observation windows, each lasting about 25 days during the ...

A groundbreaking new study suggests that super-Earth exoplanets—rocky planets larger than Earth but smaller than Neptune—may ...

There's no question that Albert Einstein was one of the greatest minds of his or any generation, but there was one problem he ...

The European Space Agency has launched two atomic clocks on a SpaceX rocket to the ISS to test Einstein's theory of ...

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.

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

A massive clump of dark matter in the Perseus galaxy cluster is linked to its core by a bridge of dark matter, evidence of a ...

Researchers say they may have achieved Einstein's vision of a "unified field theory" that can unite two of nature's ...