A red supergiant star transitions into a type II supernova in this animation. Credit: W. M. Keck Observatory/Adam Makarenko | ...

W.M. Keck Observatory imagery of star system HR 8799 have been time-lapsed. The system hosts four planets that are more ...

When Hilton Lewis began working at the W. M. Keck Observatory in 1986, astronomy was a very different field. Lewis, who is retiring from Keck at the end of the month after 37 years, the last nine ...

A high-speed crash between two dwarf galaxies might explain a unique feature in space – and provide useful information on ...

A new planet-hunting instrument at W. M. Keck Observatory has achieved “first light,” capturing its first data from the sky and marking an exciting chapter in the search for Earth-sized ...

The W. M. Keck Observatory today announced the appointment of Rich Matsuda as its next director, effective January 1, 2024. The W.M. Keck Observatory in Hawai’i operates the two most powerful optical ...

Keck Observatory telescopes are shown on Mauna Kea. The controversy led to the creation of the state’s Mauna Kea Stewardship and Oversight Authority, which was enacted in 2022 and tasked with ...

NASA’s James Webb Space Telescope and the Keck Observatory in Hawaii have together captured Saturn’s largest moon Titan in near-infrared. The new images reveal clouds in the northern ...

After spotting a potential candidate with the 2.4-meter Hubble Space Telescope, the team of astronomers pointed the 10-meter Keck II telescope, operated by the W. M. Keck Observatory, to witness the ...

NASA/STScI/W. M. Keck Observatory/Judy Schmidt. The researchers were hoping to learn about Titan’s climate, and they found that there were large clouds in the moon’s northern hemisphere.