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January 14 Live Deep Sky Tour: Orion

Join the McDonald Observatory on January 14th as we explore the constellation Orion! We will learn about Orion's cultural significance in early astronomy and explore some targets located in the constellation. If weather permits, we will show live views of Orion.

Help Renovate Our Visitors Center - Gifts Being Matched!

As our Frank N. Bash Visitors Center enters its third decade in service, we’ve started an extensive renovation of its public spaces. You are invited to be part of this transformative project by contributing to its funding. All gifts are currently being matched by sponsors!

Unique Shape of Star’s Explosion Revealed Just a Day After Detection

For the first time, astronomers unveiled the shape of a star's explosion at its earliest, fleeting stage. This brief initial phase wouldn’t have been observable a day later and helps address a whole set of questions about how massive stars go supernova. “This particular series of observations on 2024ggi is absolutely unprecedented,” said J. Craig Wheeler, an astronomer at The University of Texas at Austin.

McDonald Observatory Director Elected to Chair Giant Magellan Telescope Board of Directors

The GMTO Corporation, the 501(c)(3) nonprofit and international consortium building the Giant Magellan Telescope, has announced a leadership transition on its Board of Directors. After nearly a decade as chair, Walter Massey (center) is retiring. The board has elected McDonald Observatory Director Taft Armandroff (left) as its new chair and Nobel Laureate Brian Schmidt (right) as vice chair.