Until now, it’s been very hard for scientists to establish a detailed timeline of the early evolution of bacteria.

Bowhead whales follow daily dive cycles and may coordinate across long distances. The calls show efficiency, possibly ...

Like humans, whales’ chromosomes most commonly express either XX or XY for female or male sex, respectively. One of the whale ...

A mysterious whale that has puzzled scientists for decades may not be an anomaly, but a clue to what climate change is doing ...

Researchers found a new fossil of a marine dinosaur, Plesiopterys wildi, which gives clues to early life during ancient times.