The boundless potential of astronomical discovery contrasts sharply with the backwardness and reaction promoted by Trump and ...

The photos capture both our neighboring planets and galaxies far, far away in a stunning release to celebrate one of NASA’s ...

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 morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home.

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...

The Hubble Space Telescope launched on April 24, 1990, aboard the Space Shuttle Discovery (STS-31), and deployed into Earth ...

Using the James Webb Space Telescope, researchers said they were able to detect signs of sulfur-based molecules called dimethyl sulfide or DMS, which on Earth are only produced by life, primarily ...

Webb has two decades ahead of it, but it's already captured some stunning images. Here are 35 of our favorites.

"Any claim of life on another planet requires a lot of justification, and I don't think we're there yet, Måns Holmberg, a ...

K2-18b is a little over 120 light-years from Earth — on a galactic scale, this world is practically in our backyard.

A bizarre hailstorm of icy “mushballs” — slushy mixtures of ammonia and water — has been confirmed on Jupiter, where intense ...