Dubbed fishapods, they were unearthed in the Canadian Arctic.
It places the hominins "front and center" in the history of early human evolution, explained the researchers.
They thrived across the world. Locations where remains have been discovered include Russia, Australia, Namibia and China.
Until Europeans first came across platypuses and echidnas, which are sometimes called spiny anteaters, in the 1790s, it had been believed that all mammals give birth...
The sea urchin is genetically similar to us - with 70 percent of its genes having a human counterpart.
CSUN Professor: "Wild primates, with no human interference, consume fruit containing ethanol."
The previously unseen four page note is the only known document where Darwin discusses the challenging evolution of the flatfish, and is signed "Ch. Darwin."
The trap-jaw ant can close its jaws at 78 to 145 miles per hour
Humans are profoundly transforming their surroundings - which is dramatically impacting organisms they share them with.
By Mark Waghorn via SWNS Birds took to the sky instead of carrying weapons as evolutionary pressure demanded they could fly or fight - but not...
