Observatories on the top of Mauna Kea and Haleakala could lose federal funding under the 2026 fiscal year budget request, ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

The Subaru telescope located at the Mauna Kea Observatory on Hawai'i has found a new world within our Solar System, dubbed ...

ATOP MAUNA KEA, Hawaii – If you count from sea level, we were 13,796 feet up, almost as high as Mount Rainier. Plenty high enough. But if you count from the ocean floor? My Big Island tour gr… ...

The University of Hawaii-owned UKIRT telescope will be decommissioned once all the necessary paperwork is completed.

Researchers just got a step closer to understanding the origins of our solar system, with the discovery of an object orbiting ...

Palacat-Nelsen said such efforts by observatories give him hope that people will become more mindful of their footprints on Mauna Kea, like the legendary chief who visited the snow goddess.

Visitors take photos near an observatory on the summit of Mauna Kea on July 15. Over the last 50 years, astronomers have mounted 13 giant telescopes on Mauna Kea’s summit. In 2009, they proposed ...

Scientists say they have found a mysterious 'tiny world' in our solar system. Apparently, the Subaru Telescope at the Mauna Kea Observatory in Hawaii has uncovered there's a new 380-kilometer world ...

The big crop atop Mauna Kea is telescopes, including the world’s two largest functional telescopes, with mirrors 33 feet across, at the W.M. Keck Observatory.