In a young galaxy more than 13 billion light-years away, the James Webb Space Telescope has picked up a chemical fingerprint ...

The James Webb Space Telescope has captured the light of a star that exploded when the universe was still in its cosmic youth ...

Even the best telescopes can’t see exoplanets. It’s all about watching for jiggly stars, blue shifts, and transits.

Study using radio telescope data finds most geostationary satellites emit little unintended radio interference in frequencies used for astronomy ...

We're in Fort Davis today for conversations about the dark skies and the ways Texas is contributing to space science.

For the first time, astronomers have captured the brilliance of a superluminous supernova via gravitational lensing.

A stronomers using the JWST have traced the source of a long-duration gamma-ray burst back to a supernova that exploded ...

In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

The Hubble tension is especially troubling because it involves two sets of measurements that offer conflicting views of the ...

The Webb space telescope observed a supernova that took place when the universe was 730 million years old, setting a new ...

Compelling evidence that the structure of matter surrounding supermassive black holes has changed over cosmic time has been ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...