Scientists say they found oxygen where it shouldn’t be. Now, the hunt is on for more answers

A startling discovery made public in July that metallic rocks were apparently producing oxygen on the Pacific Ocean’s seabed, where no light can penetrate, was a scientific

A doctor was deployed to an Arctic research station during the Cold War. Decades later, he learned its secret purpose

It’s 1962. Cold War tensions bristle between Washington and Moscow. Forced to enlist by the United States military, a young physician reluctantly cuts short his

Massive ice core is a ‘time machine’ that could help solve an ancient climate mystery, scientists say

An international research team has successfully drilled and retrieved a 9,186-foot-long (2,800-meter-long) ice core from Antarctica that dates back 1.2 million years. The sample extended

Ancient glacier finding reveals clues to how complex life on Earth evolved, scientists say

More than half a billion years ago on a frigid, ice-covered Earth, glaciers stirred up ingredients for complex life by bulldozing land minerals and then

Supernovas may have played a role in two of Earth’s largest mass extinctions, study suggests

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research. During

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