one of the rarest and largest freshwater fish in the world. These fish, when caught, are not bound for a market. Researchers have been trying to conserve this endangered species for 25 years.

New research reveals that freshwater fish populations located closer to the poles are excelling compared to their equatorial counterparts. Notably, large-bodied migratory species like Atlantic salmon ...

Freshwater fish populations near the poles are outperforming their equatorial counterparts due to climate change. Warming temperatures are creating new habitats at the poleward edges of their ranges, ...

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have found. Large-bodied migratory species such as Atlantic salmon are thriving as ...

Freshwater fish populations that dwell nearer the poles are outperforming their equatorial counterparts, researchers have found. Large-bodied migratory species such as Atlantic salmon are thriving ...

Scientists have discovered a potential new member of the human family tree. This mysterious species, named Homo juluensis, includes the enigmatic Denisovans — our ancient human relatives whose stories ...

What makes the Xujiayao findings so remarkable is that they possessed such large brains during a period when most other human species had considerably smaller cranial capacities. The Xujiayao humans ...

Dave Wolfenden investigates the Centropyge genus and the fiesty little angelfish that just know how irresistible they are… Small, attractive and cute — no wonder pygmy angels endear themselves to ...

Scientists discover new species of human ancestors, Homo juluensis. Credit: Adam Fagen, CC BY-NC-SA 2.0 A team of researchers has identified a new human species that vanished approximately 200,000 ...

The footprints were left in the mud by two different species "within a matter of hours, or at most days," said paleontologist Louise Leakey, co-author of the research published Thursday in the ...

(Louise Leakey via AP) Scientists study fossil footprints for clues about co-existing species of early human ancestors at the excavation site on the eastern side of Lake Turkana in northern Kenya, in ...