This study explains why helpful DNA changes appear often but rarely spread, because environments shift too fast for evolution ...

A new study reveals how specialized microbes might convert Martian regolith into durable, life-supporting structures. Since ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

Complex life may have started its rise in Earth’s oxygen-free oceans nearly a billion years earlier than anyone imagined.

Scientists have discovered that complex life began evolving much earlier than traditional models suggested. Using an expanded ...

We have only one example of biology forming in the universe – life on Earth. But what if life can form in other ways? How do you look for alien life when you don’t know what alien life might look like ...

Neuroscientist Nikolay Kukushkin spoke to Live Science about how human consciousness evolved.

Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction.

A newly discovered tectonic "regime" may explain why Earth has active plates while Venus remains stagnant.

We have only one example of biology forming in the universe – life on Earth. But what if life can form in other ways? How do ...

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

Learn how sulfur-based molecules essential to life may have formed before the first living systems appeared.