Rapid observations with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) have revealed the explosive death of a star just as the blast was breaking through the star’s surface. For the first time, astronomers unveiled the shape of the 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.

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

By Emily Howard

Small and unassuming, Segue 1 is a nearby dwarf galaxy containing only a handful of stars – too few to provide the gravity needed to keep itself from scattering into space. Like other dwarf galaxies, it was long believed that gravity from a mysterious substance called dark matter was the main binding force.

Peering into the universe’s dark, hazy cosmos to catch the first glimpses of infant stars has long challenged astronomers. The cloud of dense gas and dust that gives rise to these stellar embryos also conceals them.

By Emily Howard

Adapted by Emily Howard

Today, a team of researchers, including those at McDonald Observatory, has announced the first significant detection of phosphine in the atmosphere of a cool brown dwarf named Wolf 1130C. With the discovery, astronomers are a step closer to understanding the processes behind how this molecule – an important marker for life - forms. They are also left scratching their heads as to why they haven’t yet detected it in other, similar objects.

The University of Texas at Austin joins with other members of the Giant Magellan Telescope today in welcoming the Massachusetts Institute of Technology to the international consortium, constructing the $2.6 billion observatory in Chile. The Institute’s participation is enabled by a gift to MIT from philanthropists Phillip (Terry) Ragon ’72 and Susan Ragon.

The Butterfly Nebula, located about 3,400 light-years away in the constellation Scorpius, is one of the best-studied planetary nebulae in our galaxy.

Friday, July 25, through Saturday, July 26, McDonald Observatory hosted the annual Board of Visitors Summer Meeting. Featuring science talks, discussion groups, and telescope tours and viewings, the event connected almost 200 attendees with the latest astronomical research. Although there were minor bouts of stormy weather, each evening the clouds cleared to reveal clear views of the night sky.

Astronomers have discovered a remarkably clumpy rotating galaxy that existed just 900 million years after the Big Bang, shedding new light on how galaxies grew and evolved in the early universe.