Another telescope on Mauna Kea is set to be decommissioned. With Fourth of July past, attention focuses on the Koloa ...

Cutting data climate collection – as the Trump administration is now trying to do – is like breaking a thermometer to avoid ...

The moment you glimpse the Milky Way stretched across the night sky, you realize how many stars city life has stolen from you. Most people don’t even know what a truly dark sky looks like anymore. But ...

The Perseus cluster and its lost companion. HyeongHan et al. In their study, Lee and colleagues analyzed archival data collected by the Subaru Telescope, which is at the Mauna Kea Observatory on ...

Heading to the Big Island and hoping to see real lava on your Hawaiian vacation? Scroll to find out everything you need to ...

Still from the video showing the observatory in the snow (main) and map of Hawaii's Big Island (main). A winter weather advisory was issued for the Big Island on Monday.

Using the 10-meter telescope at the Keck Observatory on the Mauna Kea volcano in Hawaii – the most sensitive instrument of its kind – they detected a cloud of glowing gas that extended 100,000 light ...

A Caltech-led team using W. M. Keck Observatory on Mauna Kea, Hawaiʻi Island has mapped in 3-D the remains of a historical supernova that went boom in the year 1181 – it’s one of only five ...

Scientists are reflecting on lessons learned with the completion of removal this summer of the Caltech telescope from the summit of Mauna Kea after dec­ades of mounting tension with Native Hawaiians.

The telescope, with its fellow Mauna Kea resident the James Clerk Maxwell Telescope, discovered that Earth is basking in light from excited molecules living quietly in interstellar space. Toward the ...