The primary mirror array will be 128 feet (39 meters) across, allowing it to gather more light and greater detail than any ...

If dark energy continues to weaken, the accelerating expansion of the universe could slow — and possibly reverse. In that ...

NASA's James Webb Space Telescope (JWST) has snapped a spectacular image of a "cosmic tornado" being burped out from a baby ...

Scientists have gotten the best-ever view of 'space tornadoes' howling near the Milky Way's black hole. The cosmic twisters ...

The Extremely Large Telescope under construction in Chile's Atacama Desert could detect signs of alien life on other planets ...

(CNN) – Astronomers have made a surprising discovery about oxygen and elements in the most distant known galaxy. The galaxy ...

The JWST once again proves it might have been worth the money. Astronomers have spotted a surprising signature of oxygen in a ...

Astrophysicists have teased a hellish potential future in which life on Earth is extinguished by deadly radiation from the ...

Astronomers have made an exciting discovery near the center of our Milky Way galaxy—long, thin “space tornadoes” made of ...

Young, close-orbiting exoplanets known as sub-Neptunes may form farther from their stars and migrate inward or lose their ...

One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's ...

Astronomers have made the surprising discovery of oxygen and elements like heavy metals in the most distant known galaxy. The ...