Home Page

Giant Magellan Telescope Advances to National Science Foundation Final Design Phase

The Giant Magellan Telescope (GMT) has received official approval from the National Science Foundation (NSF) confirming that the observatory will advance into its Major Facilities Final Design Phase, one of the final steps before becoming eligible for federal construction funding.

Daytime Livestream July 30: Solar Maximums and Auroras

Explore the Sun with McDonald Observatory! On July 30 at 11 a.m. CT, we will show you live views of the Sun (weather permitting) as we discuss its cycle, how it creates auroras here on Earth, and other effects it can have on our solar system. We are currently in a period of heightened solar activity, which may mean we get to see particularly interesting features on display.

COSMOS-Web Releases Deepest Yet View Into the Universe

COSMOS-Web provides the most expansive and deepest observations of the universe to date. Now, the team behind this work - which includes several members from The University of Texas at Austin - has released the data and images associated with its full survey, all processed and ready for analysis. Astronomers and members of the public are invited to make full use of the resource, which represents over 250 hours of observations on the world’s most powerful telescope: the James Webb Space Telescope.

Free Star Parties for Texas Educators in August

Texas educators and their families are invited to join McDonald Observatory for a free Star Party in August. Register with discount code TeachStars and bring your school ID for free admission.