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MEDIA RELEASE A team of astronomers from the University of California, Berkeley and the University of Hawaii at Manoa has found that 17 percent of all sun-like stars have planets 1 to 2 times the diameter of Earth in close orbits. The finding, based on an analysis of the first three years of data from […]

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MEDIA RELEASE The secret of longevity is recycling, at least for galaxies, say astronomers who have used a trio of the world’s best telescopes to study the uncharted space around vibrant star-birthing galaxies and their not-so-vibrant siblings. Galaxies learned to “go green” early in the history of the universe, continuously recycling immense volumes of hydrogen […]

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MEDIA RELEASE Astronomers using the 10-meter Keck II telescope in Hawaii have confirmed in a new paper that a troupe of about 1,000 small, dim stars just outside the Milky Way comprise the darkest known galaxy, as well as something else: a treasure trove of ancient stars. By “dark” astronomers are not referring to how […]

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Astronomers using the W. M. Keck Observatory have identified the smallest known binary system to date.

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  MEDIA RELEASE/NASA Gamma-ray bursts are the universe’s biggest explosions, capable of producing so much light that ground-based telescopes easily detect it billions of light-years away.  Yet, for more than a decade, astronomers have puzzled over the nature of so-called dark bursts, which produce gamma rays and X-rays but little or no visible light.  They […]

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