Astronomers have turned a famous star explosion into a 25‑year time‑lapse, using a NASA telescope to watch the superheated gas race through space and slam into its surroundings. The new study using ...

Astronomy isn’t just for PhDs—amateur astronomers are making real contributions to science from their backyards. With affordable smart telescopes, citizen science projects, and pro-am collaborations, ...

(via Sabine Hossenfelder) Recently, the James Webb Space Telescope observed signals that moved faster than the speed of light. Does this mean that faster-than-light travel is real? If not, what ...

NASA's Chandra X-ray Observatory has transformed new telescope views of Jupiter, Saturn and Uranus from this month's "planetary parade" into striking soundscapes — capturing everything from Jupiter's ...

A state-of-the-art telescope nearly 25 years in the making will finally reveal its first images on Monday, June 23, and you can watch the event in realtime. The Vera C. Rubin Observatory, perched atop ...

Editor's Note 4/9/26: The Artemis 2 astronauts successfully launched to the moon on April 1 and flew closely by it on Monday (April 6). Though this livestream has concluded, you can tune into this one ...