Near a river in the Democratic Republic of the Congo sat a temporary pond, doomed to dry up eventually. Inside swam a ...

Scientists found fish with large eyes in temporary ponds of Democratic Republic of the Congo and discovered new species: rainbow seasonal killifish, study said.

On long stretches of the Clark Fork, Bitterroot and Blackfoot rivers, the Confederated Salish and Kootenai Tribes have a simple message for pike and rainbow trout anglers: Don’t eat the ...

Near a river in the Democratic Republic of the Congo sat a seasonal pond, formed during the wet season and already shrinking. Inside swam an “iridescent” creature with a “gem”-like pattern. Something ...

The race is on to contain the pollutant already in the stream — and to find the source before it contaminates more of the ...