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

Last year, the average level of carbon dioxide rose faster over the previous year than at any other point since the ...

For the first time, the monthly average concentration of carbon dioxide exceeded 430 parts per million (ppm) in May 2025.

The world’s largest active volcano, Mauna Loa on Hawaii, is erupting for the first time in nearly 40 years. Though lava is flowing down one side of the volcano, the eruption in Hawaii Volcanoes ...

HONOLULU — Lava is shooting 100 feet to 200 feet into the air as Hawaii’s Mauna Loa, the world’s largest active volcano, erupts for the first time in nearly 40 years. For now, lava is not ...

Learn about the largest active volcano on Earth Mauna Loa in Hawaii. Discover its massive size, eruption history, and ...

New reports out of the NOAA and Scripps Institution of Oceanography suggest that the carbon dioxide (CO2) levels in Earth’s ...

Hawaii’s Mauna Loa volcano is erupting for the first time in nearly four decades. Andrew Richard Hara is photographing the volcano's beautiful, violent display: "Hawaii is a very special place ...

On May 2, as sunlight crept over the Martian horizon, the Odyssey spacecraft captured Arsia Mons, a towering, long-extinct ...

One of Mars' tallest volcanoes peeps over a thick layer of clouds, in Odyssey’s first picture of Arsia Mons peering over the ...