Very often, whales do not survive a stranding. This species of dolphin can grow up to 8 meters long, weigh up to 4000 kg and live to be 50 to 90 years old. They resemble orcas, which is why they ...

Their land-dwelling ancestors lived about 50 million years ago. Meet Pakicetus, a goat-sized, four-legged creature that scientists recognise as one of the first cetaceans (the group of marine animals ...