Mauna Loa

In pictures: Lava from Hawaii volcano lights up night sky amid warnings

Authorities are telling people living on Hawaii’s Big Island to be ready in the event of an emergency.

World's largest active volcano in Hawaii erupts for first time in decades

US authorities say flows of lava remained "contained" within the summit area of Mauna Loa, but the eruption could pose a threat to nearby residents should conditions change.

Mars research crew completes eight-month survival study

NASA-backed six-member group emerges from eight-month isolation in a Mars simulator near the largest active volcano in the world.

2016 may set new record for global heat, experts warn

Earth's average land and ocean surface temperatures warmed to record levels in 2015