The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution — has led directly to climate change, driving sea level rise, ...

If you’ve been following the ongoing episodic summit eruption of Kīlauea volcano on the Big Island, you might have seen the ...

NASA Odyssey orbiter snapped a first-ever image of a Mars volcano peeking above some clouds before dawn. It’s twice as tall as Earth’s largest volcano ...

The U.S. military wants to continue live-fire training at Pohakuloa, a high-altitude plateau on Hawaii’s Big Island.

For most of the past half century, continuous daily sampling by both NOAA and Scripps at Mauna Loa provided an ideal baseline for establishing a long-term time series of the increase in the most ...

Eruption viewing areas within the national park are unaffected, but there can be decreased air quality in communities ...

The Office of Hawaiian Affairs (OHA) Board of Trustees today approved the immediate withdrawal of its two longstanding lawsuits concerning Maunakea, marking a pivotal shift towards collaborative ...

As another school year ends, the USGS Hawaiian Volcano Observatory welcomes two new summer interns: Kamalani Poepoe and Ruth ...