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Help Renovate Our Visitors Center

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!

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.

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.