The greenhouse effect was discovered more than 150 years ago and the first scientific paper linking carbon dioxide levels in ...

The Mauna Loa Observatory in Hawaii, which has been at the forefront of global climate monitoring since the 1950s, is facing ...

The U.S. military wants to keep training at a high-altitude plateau on Hawaii's Big Island so it's ready to quickly send ...

The 12-mile-high volcano — nearly twice the height of Mauna Loa in Hawaii — punctures a veil of fog, emerging like a monument to the planet's ancient past. The space snapshot is both visually ...

The latest image, captured on May 2, focuses on Arsia Mons, which is roughly twice as tall as Earth’s largest volcano, Hawaii’s Mauna Loa, which rises 6 miles above the seafloor.

Measuring a whopping 12 miles high—roughly equivalent to an over-5,800-story building, per CBS, and about twice as tall as Earth's largest volcano, Mauna Loa—Arsia Mons is one of Mars' biggest ...

Mauna Loa Forest Reserve is situated on the slopes of Mauna Loa volcano. It covers a vast area and features unique ...

In Odyssey’s latest horizon image, captured on May 2, Arsia Mons stands 12 miles (20 kilometers) high, roughly twice as tall as Earth’s largest volcano, Mauna Loa, which rises 6 miles (9 kilometers) ...