News: Astronomy

Read the latest news from the College of Natural Sciences at The University of Texas at Austin

Research

New Era of Exoplanet Discovery Begins with Images of ‘Jupiter’s Younger Sibling’

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

In this side-by-side comparison of two telescope images, a white dot on a blue background changes position as it orbits around a central star symbol

McDonald Observatory

Giant Tails of Helium Observed Escaping Jupiter-Like Planet

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.

An orange swirl of light around a bright yellow star against a purple background

Research

James Webb Space Telescope Images Challenge Theories of How Universe Evolved

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

Six candidate galaxies

Research

James Webb’s First Stunning Image of Cassiopeia A, Fragments of a Hellish Explosion

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

Wisps of colorful gas and dust in a telescope image showing the remains of a supernova explosion

Accolades

NSF Awards Graduate Research Fellowships to 23 UT Natural Sciences Students

Dozens of graduate and undergraduate students of UT Austin's College of Natural Sciences were honored this year by the National Science Foundation.

Graduate students sit and stand in rows in a library setting

Research

First Images from JWST’s Largest General Observer Program

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

A field of stars

Features

UT Austin a Key Player in Science’s Hottest Research Areas for 2023

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.

Individuals looking at a display of outer space

Announcements

Texas Science Festival Inspires Texans to Delve into Discovery

Go deep in the heart of science this month and next.

A space telescope, two girls, a planet, a bird and a robot represent science festival events

Research

Hobby-Eberly Telescope Reveals Galaxy Gold Mine in First Large Survey

Astronomers have barely scratched the surface of mapping the nearly endless stars and galaxies of the heavens.

The Hobby-Eberly Telescope is lit from within at dusk as clouds loom in the background

Research

Cosmic Dawn III Recreates the Early Universe Epoch of Reionization in Unprecedented Detail

Scientists create the most detailed and accurate simulation ever produced of the first billion years of the universe.

Hot spots appear prominent on a mass of lines that interconnect as in a network