Hundreds of hominin fossils reveal that human body size remained stable for ages before a sharp increase in early members of ...

A planet with twice Earth's gravity produces creatures with different skeletal requirements, different muscular architecture, ...

Watch the Earth's tectonic plates grow, shrink, and jostle for position in this new model of the last billion years on the ...

The star’s looming death will dramatically reshape the inner solar system, engulfing Mercury and Venus in a fiery sphere. The ...

Great apes and humans all laugh with a steady, even rhythm, and a new study finds it has barely changed in 15 million years.

For a long time, Earth’s ending seemed settled. In about five billion years, the sun will swell into a giant, the inner Solar ...

When the sun dies, it will become hundreds of times its current size and engulf the innermost planets. Earth may escape this ...

For years, Mars has sat in an awkward middle ground, too geologically quiet to look like Earth. At the same time, it is too ...

Long before oceans teemed with life, Earth endured relentless violence. Asteroids slammed into its surface again and again, ...

As the sun expands over the coming billions of years, Earth will become inhospitable to any life more complex than a microbe ...

What if consciousness isn’t limited to brains like ours? Philosophers Eric Schwitzgebel and Jeremy Pober argue that ...

In rocky planets such as Earth and Mars, the oxidation state of the mantle is thought to strongly influence the melting temperature of mantle materials (i.e., magma generation), the composition of ...