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

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

A spacecraft's-eye view over the landscapes of Mars has just given us a first-of-its-kind glimpse of the giant, ancient ...

Episode 25 of the Kilauea summit eruption in Halema‘uma‘u crater occurred on June 11, with approximately eight hours of ...

Something big is peeking through Martian clouds. 🌋 The Odyssey orbiter captured a stunning view of Arsia Mons, a volcano ...

For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) ...

During pauses between the high fountaining episodes of the ongoing Kilauea volcano summit eruption, which began on Dec. 23, ...

For 67 years, the observatory on Hawaii's Mauna Loa volcano has been taking these measurements daily  — tracking the ...

NASA’s Odyssey snapped Arsia Mons jutting above dawn clouds—revealing new insights into Mars’ upper atmosphere and volcanic ...

N ASA's Mars Odyssey orbiter has captured a stunning image of the Arsia Mons volcano, its summit peeking above the Martian ...

Arsia Mons, the southernmost of the Tharsis Montes trio, stands at an awe-inspiring 20 kilometers high, dwarfing Earth’s ...

When Hawaii’s expansive Mauna Loa volcano erupted in 1935, it sent serpents of red-hot liquid rock slithering toward the town of Hilo, then home to 16,000 residents. Normally, during eruptions ...