About half of the non-dark matter in the universe cannot be accounted for by stars and galaxies alone. Now, scientists say previously undetected clouds of hydrogen gas could finally reveal…

The manumea, a critically endangered ground pigeon and one of the closest living dodo relatives, has been spotted multiple times in a remote Samoan rainforest.

Archaeologists in Kazakhstan have discovered the "City of Seven Ravines," a vast Bronze Age "proto-city" with metalworking, dwellings and a large building.