The TMT project is back under consideration for federal support, but it must complete a final design phase without taxpayer assistance.

Update at 9:54 a.m. Feb. 22, 2026: The high wind warning in effect for the summits of Mauna Kea and Mauna Loa on the Big Island was extended until 6 a.m. Monday (Feb. 23) as blustery conditions are ...

A total lunar eclipse, or “blood moon,” will be visible across Hawaii tonight, with totality peaking around 1:30 a.m. on ...

Following weeks of escalating public opposition, the Maui County Council now stands in unanimous opposition to the military’s plan to build up to seven telescopes in a state conservation district atop ...

A really strong low pressure system is moving towards the islands and will get stronger as the week goes on with tomorrow (Monday) being a transition day. This serious storm system for Hawaii will ...

It was a winter wonderland April 13, 2023, at the top of Mauna Kea on the Big Island. The summits of Mauna Kea and Mauna Loa are expected to get a wintry mix of snow and ice today, Feb. 21, 2026, that ...

Deep canyons in the Andes are the perfect location to catch the most energetic particles in the universe. Carlos Argüelles-Delgado reveals how these intergalactic envoys could help prove the quantum n ...

Mount Everest dominates geography books and trivia nights as Earth's tallest mountain, standing at an impressive 29,032 feet above sea level. That number gets drilled into our heads from elementary ...

Amateur astronomers no longer have to brave the frigid winter cold or humid summer nights to make important discoveries like in the past.

HONOLULU (KHON2) — A new astronomical tool on Maunakea was given its official name, with the Hawaiian name “ʻŌnohiʻula” designated to the Subaru Telescope’s advanced Prime Focus Spectrograph. The name ...

Monday: Mostly sunny early in the morning then becoming partly sunny. Isolated showers in the morning, then scattered showers in the afternoon. Haze through the day. Highs 71 to 83. East winds up to ...

Never-before-seen temperature and ion density measurements reveal that the effect of Jupiter's moons on its aurora are more complicated than scientists thought.