Astronomers using the James Webb Space Telescope report that a powerful gamma-ray burst detected in March may have been produced by the explosion of a massive star just 730 million years after the Big Bang.

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another solar system, following 1I/'Oumuamua in 2017 and comet 2I/Borisov in 2019.

For 25 years, the Hubble Telescope has been dazzling Earthlings with breathtaking images from outer space. Its latest visualization takes this to another level. Tap to watch if you're viewing on the news app. In honor of the telescope's anniversary on ...

The most powerful telescope ever built has finally reached its destination in space. NASA launched the James Webb Space Telescope (JWST) one month ago from French Guiana. The telescope is about the size of a tennis court and is now stationed about one ...

One of the reasons astronomers like to put telescopes in space is that the “seeing” is better. With no turbulent atmosphere in the way the stars shine steadily, rather than twinkling as they do when seen from the ground. But it is not just an ...

Then, on November 25, teams at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, joined the inner and outer portions of the Roman Space Telescope. With this milestone, NASA declared the observatory complete and on track for launch as soon as fall 2026.