Scientists found big bottom-dwelling fish with wide head, long snout in rivers of Yunnan & discovered new species: protos catfish, study said & photo shows.

Paleontologists have discovered a new species of dinosaur that belongs to the same group of the infamous Tyrannosaurus rex.

From river-clogging plants to disease-carrying insects, the direct economic cost of invasive species worldwide has averaged about $35 billion a year for decades, researchers said Monday.

Scientists found crustaceans with large black eyes in rotting wood in underground ancient Roman aqueduct & discovered new species: Carmona isopod, study said.

Proposed rule change on endangered species triggers alarm for environmentalists Environmentalists say it could lead to the extinction of some endangered species due to logging, mining, development ...

Humans are having a highly detrimental impact on biodiversity worldwide. Not only is the number of species declining, but the composition of species communities is also changing. These are the ...

21 native flora and fauna species have been added to Australia's threatened species list, including frogs, turtles, dolphins, and birds.

Although only one species of hominin (a tribe of the subfamily Homininae) exists on the planet today—good ole Homo sapiens —the human family, throughout more geologically-recent Earth history ...

The definition of a species is surprisingly unsettled, and the classifications of some of the best-known animals have come under scrutiny.

As if this quest isn’t hard enough, biologists cannot agree on what a species is. A 2021 survey found that practicing biologists used 16 different approaches to categorizing species.

Nutria, hammerhead worms, and Asian longhorned ticks are among the strange invasive animal species damaging ecosystems in the US.

After 50 years, this landmark law has kept many species alive — but few wild populations have recovered enough to come off the “endangered” list.