Discovery: Most-luminous ever supernova

Pasadena, CA—A team of astronomers, including Carnegie’s Benjamin Shappee, Nidia Morrell, and Ian Thompson, has discovered the most-luminous supernova ever observed, called ASAS-SN-15lh. Their findings are published in Science.

Rotational clock for stars needs recalibration

Pasadena, CA— New work from a team of astronomers led by Carnegie’s Jennifer van Saders indicates that one recently developed method for determining a star’s age needs to be recalibrated for stars that are older than our Sun.

The Giant Magellan Telescope Organization Breaks Ground in Chile

Pasadena, CA – November 11, 2015 – Leading scientists, senior officials, and supporters from an international consortium of universities and research institutions are gathering on a remote mountaintop high in the Chilean Andes today to celebrate groundbreaking for the Gia

Beletsky's Lunar Eclipse is NASA Photo of the Day

Yuri Beletsky's recent image of  the lunar eclipse at  Carnegie's Las Campanas Observatory has been published by NASA as the Astronomy Picture of the Day, October 1, 2015. The total lunar eclipse happened September 28, 2015.

Beletsky's Lunar Eclipse is NASA Photo of the Day

Yuri Beletsky's recent image of  the lunar eclipse at  Carnegie's Las Campanas Observatory has been published by NASA as the Astronomy Picture of the Day, October 1, 2015. The total lunar eclipse happened September 28, 2015.

Carnegie’s Stephen Shectman to Receive Muhlmann Award

Pasadena, CA— Astronomer and instrumentation expert Stephen Shectman of the Carnegie Observatories has been selected to receive the Maria and Eric Muhlmann Award from the Astronomical Society of the Pacific, “for important research results based upon development of ground

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