Unseen mountains, valleys, lakes, and rivers lie under Antarctica’s mile-thick ice sheet. Changes to those hidden rivers ...

It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis.

Arctic Sea Ice Loss Drives Drier Weather Over California and Wetter Over Spain and Portugal Mar. 11, 2025 — On decadal timescales, the loss of Arctic ice favors the climate of the south-west of ...

SAN JUAN ALOTENANGO, Guatemala (AP) — Guatemala’s Volcano of Fire is erupting, and authorities have evacuated nearly 300 families while warning that another 30,000 people in the area could be ...

By the end of the month, sea ice was at its lowest level ever recorded for February, marking the third straight month of record lows. This follows a year of concerning signs from the region ...

It is an 11,070-foot (3,374-meter) tall, ice- and snow-covered volcano roughly 80 miles (129 kilometers) northwest of Anchorage. Mount Spurr is one of 53 volcanoes in Alaska that have been active ...

The Alaska Volcano Observatory within the past week measured “significantly elevated” volcanic activity, with newly reactivated gas fissures, or fumaroles, seen at Mount Spurr’s Crater Peak.

GUATEMALA CITY — Guatemala’s Volcano of Fire is erupting, and authorities have evacuated nearly 300 families while warning that another 30,000 people in the area could be at risk. The eruption ...

Unrest continues at Mount Spurr, the closest active volcano to Alaska’s population centers, and scientists at the Alaska Volcano Observatory are still watching for a possible eruption.