Life
First self-replicating molecules may have had just two ingredients
A mixture of two carbon-based chemicals can spontaneously form molecules that can copy themselves, hinting at how life may have begun on Earth
News
Life
Why climate change is creating more female sea turtles and crocodiles
Features
Life
Tiny 2-billion-year-old fossil blobs may be the oldest complex cells
News
Life
The mysterious microbes shifting humanity’s place in the tree of life
Features
Technology
Video game Ancestors lets you meddle with the epic story of evolution
Culture
Life
Strange spider-shaped microorganisms could be our distant ancestors
News
Life
Four great waves of animals have spread out from the tropics
News
Life
Scientific truth doesn’t exist 鈥� but we must still strive for answers
News
Humans
Think you understand how evolution works? You’re probably wrong
Features
Life
We’re beginning to question the idea of species 鈥� including our own
Are you a human, or a human-Neanderthal hybrid? The concept of the species, one of the most basic in biology, may not be as well-defined as we think
Features
Life
No more goody two shoes: Why true altruism can鈥檛 exist
Features
Environment
Why is Earth so rich in oxygen? The answer is simpler than we thought
News
Life
Cretaceous fossils are missing link in mammal ear evolution
News
Humans
Martin Rees: Humanity’s future 鈥� predictions for the next century
Video