News: McDonald Observatory

Detected with the James Webb Space Telescope, Maisie’s galaxy was observed 390 million years after the Big Bang.

The method overcomes the challenges of dust that block the view of some of the Milky Way's stars.

At about 9 solar masses, this black hole is a real lightweight compared to previously seen ones in the early universe that are typically 1...

The scientist developed a ruler with the power to size up the early university and shed light on the cosmic dawn.

Astrometry uses the shift in a star’s position on the sky relative to other stars to infer the existence of orbiting planets.

Astronomers used the Hobby-Eberly Telescope (HET) at the McDonald Observatory to discover some of the longest tails of gas yet observed escaping a planet.

Hefty young galaxies defy the reigning model of cosmology, called "dark energy + cold dark matter" or ΛCDM.

A new image of a supernova remnant reveals wonders, beauty, secrets of star structure and building blocks of life.

Mosaic images from the COSMOS-Web program offer a treasure trove of early galaxies.

Researchers at UT Austin are involved in some of the most exciting areas of science and driving groundbreaking discoveries and technologies that impact our world.