Interstellar comet 3I/ATLAS, only the third ever seen, returns with unique composition; experts eye 19 December 2025 as a ...

The NASA/ESA/CSA James Webb Space Telescope has captured a stunning view of the Pismis 24 star cluster located in the core of ...

The Geminids peak Dec. 13, producing up to 120 meteors per hour visible from 8 p.m. until sunrise. Plus, a recap of ...

Dame Dr Maggie Aderin-Pocock, with the help of the world’s most powerful telescope, ventures through the Milky Way and into the universe beyond, on the hunt for alien worlds.

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

NASA’s Chandra X-ray Observatory wanted to wave goodbye to autumn by releasing images of celestial spectacles.

According to NASA, the NIRCam on the JWST has near infrared imagery that provided high-resolution imagery for the ...

Using the Webb telescope’s powerful Near Infrared Imager and Slitless Spectrograph (NIRISS) instrument, the team detected a ...

Searching for exomoons—moons that orbit around another planet—was one of the most exciting capabilities expected of the James ...

NASA confirms interstellar visitor 3I/ATLAS is a natural comet, not an alien artefact. Its nickel and CO2-rich chemistry suggests it's pre-Sun matter, offering unique insights into ancient star ...

Published in Nature Astronomy, the findings represent a first: while helium escape has been observed before, this is the ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...