More than 500 million years ago, during what is known as the Cambrian period, the seas and oceans on Earth were filled with a ...

Earth's earliest continents may have set the chemical stage for life by regulating boron levels in ancient oceans, a new ...

Environmental change doesn’t affect evolution in a single, predictable way. In large-scale computer simulations, scientists discovered that some fluctuating conditions help populations evolve higher ...

Cacti may look like slow, stubborn desert survivors, but they’re actually evolving at lightning speed. Scientists studying ...

20 amino acids are usually necessary for life, but scientists successfully deleted one.

While skin bone plates are well studied in crocodylians (shown here in a gharial, in purple), their presence in lizards and ...

Apologizing shows that while we aren’t perfect, we care about others’ feelings and want to improve. A sincere apology can heal both parties when a real mistake is made. But when we apologize ...