A rare fossil find shows a tooth embedded an ichthyosaur’s vertebra, where it was likely left when a giant pliosaurid chomped ...

An errant SpaceX rocket is on a collision course with the moon, and astronomers are eagerly awaiting the chance to observe ...

These proposed changes have seen significant bipartisan pushback and have been criticized by scientists across disciplines ...

Dry conditions and climate change are putting forests across the country at risk for disaster ...

A unique landform is vital for calibrating NASA’s satellites, but it’s likely sitting atop a vast deposit of this heavy metal ...

The Arctic is cooking. Across northern Russia—a region that is famously bitterly cold—temperatures this week have routinely ...

Antarctica’s Blood Falls looks exactly like what its name suggests. But despite appearing to bleed out for millions of years, ...

The extreme conditions of atomic bomb explosions create “uncontrolled microexperiments” that, in Hiroshima, forged a ...

The European continent is facing a dual reckoning this summer—extreme heat is killing thousands and draining its rivers, ...

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Some female daddy longlegs will perform fellatio, perhaps to avoid potential violence from males, while males of another ...

But did our direct ancestors interbreed with other long-lost hominin lineages before the first major migrations out of Africa ...