Of the six sloth species, the pygmy sloth is the only one listed as critically endangered. The pygmy sloth lives off the coast of Panama and is threatened by climate change and habitat loss.

The thick-billed parrot (Rhynchopsitta pachyrhyncha) is a medium-sized parrot endemic to Mexico that ... [+] formerly ranged into the southwestern United States. Its phylogeny is the subject of ...

The sloth is the world's slowest mammal, so sedentary that algae grows on its furry coat. The plant gives it a greenish tint that is useful camouflage in the trees of its Central and South ...

Different sloth groups can be easily identified by the number of long, curved claws on their forelimbs. The two-toed sloths, as the name suggests, have two claws on their front limbs, while the ...

Emperor penguins are not simply majestic. These birds are tough creatures who manage to survive in some of the harshest weather conditions imaginable. The penguins breed and live on frozen sea ...

Actor William Shatner, notable for his role as Captain James T. Kirk in “Star Trek” warned that humans were “all going to die ...

The lethargic two-foot-long tree-hugging sloths of the South and Central American tropics are small fry compared with one of their extinct relatives. Megatherium americanum, a ground sloth, stood 12 ...

An Energy Department program designed to create jobs and manufacturing in communities reliant on fossil fuels is backing projects in West Virginia, Colorado and elsewhere. By Hiroko Tabuchi He ...

MOGADISHU, Somalia (AP) — First, some families fled drought and violence. Now they say they have nowhere to hide from intense flooding as rainfall exacerbated by the weather phenomenon El Nino ...

Research shows that bullet trains are a reliable, resilient alternative to flight disruptions caused by high winds and storms due to planetary warming. Air travel generates a lot of carbon ...

As the U.S. continues to face an increased flow of migrant arrivals, extreme weather events exacerbated by climate change could be fueling the crisis.