New research suggests that Earth’s orbital variations—the slow changes in its tilt, axial precession, and shape of its ...

Tell me if you’ve heard this one before: a volcano scientist who does her work in the middle of the Pacific Ocean—at the ...

Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight?

Sandwiched between the freezing cold of Earth’s coldest continent and the warmth of its southernmost active volcano, the caves beneath Antarctica’s Mount Erebus are an anomaly in more ways than one.

“The science team will seek out hydrothermal vents and deep-sea volcanoes and venture into the 8000-meter-deep South Sandwich Trench, the most geographically isolated and coldest trench on Earth,” the ...