Berkeley, Calif. – A discovery of an extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi turns out to be the …

KAMUELA, HI—Astronomers using the W. M. Keck Observatory and the European Southern Observatory’s Very Large Telescope have identified two distinct …

BERKELEY, CA—An unusual supernova rediscovered in seven-year-old data taken at the W. M. Keck Observatory and Lick Observatory may be …

KAMUELA, HI—On Oct. 9, astronomers at the W. M. Keck Observatory used the Keck II telescope to search for water …

KAMUELA, Hawaii (Sept. 24, 2009) — Linking the twin, 10-meter telescopes in Hawaii, astronomers at the W. M. Keck Observatory …

Mauna Kea, Hawai’i — Jupiter’s got a brand new mark. Something slammed into the gas giant leaving a dark bruise …

Mauna Kea, Hawai’i—Astronomers have yet again rewritten the record books for discovering the most distant supernovae. Using Hawaii’s W. M …

An international team of astronomers has discovered an exoplanet whose orbit is steeply tilted from the plane of the star’s …

One of Saturn’s moons, Enceladus, appears to be missing some sodium. The new observations made at the W. M. Keck …

PASADENA, Calif.—Astronomers using the W. M. Keck Observatory have discovered distant galaxies as massive as the Milky Way yet ten …

PASADENA, Calif.—Astronomers using the Keck telescopes may have solved the mystery of dark gamma ray bursts—intense flashes of X-ray and …

Astronomers using a suite of telescopes including the W. M. Keck Observatory have discovered a giant gas object that may …