NASA will announce the first class of astronauts in four years who could one day be eligible for missions to the moon and Mars.

Watch the Sept. 21 partial solar eclipse live online with this handy livestream. Coverage begins at 2 p.m. EDT (1800 GMT).

Scientists have used the Gaia Space Telescope to create a 3D map of star kindergartens within the Milky Way, and you can fly through it.

Hubble’s latest look at Messier 96 reveals a warped spiral galaxy glowing with rings of stellar birth. The new details shed light on how stars emerge and influence their surroundings.

Take an inside look at NGC 7456, a spiral galaxy that showcases energetic light, dark dust lanes, and the beauty of newborn ...

Hubble Space Telescope images of Jupiter have been "photo-mapped onto a sphere," and animated into a full rotation, according ...

Telescopes on the National Mall tonight will give people a chance to see the stars and experience the largest astronomy outreach event in the United States.

The Hubble Space Telescope captured imagery of supernova 2018 GV from 2018-2019. It was seen in barred spiral galaxy NGC 2525, which is located about 70 million light-years away in the constellation ...

TRAPPIST-1e shows no signs of its first atmosphere, but hints of a secondary one remain. Liquid water could still be possible ...

A new NASA mission will capture images of Earth's invisible "halo," the faint light given off by our planet's outermost atmospheric layer, the exosphere, as it morphs and changes in response to the ...

Sirine was joined by Dan Lambeth AKA Spaceman Dan, National Weekend Evening's expert on the final frontier! A view of Saturn ...

This cosmic drama offers a unique glimpse into the future fate of our own Solar system and highlights the power of Hubble’s ultraviolet vision to probe stellar remains that would otherwise go ...