Cancerous tumors are parasitic organisms, new species, that depend on their host for food, says a new study.
Bioelectrical patterns are detected on an embryonic tadpole, outlining where its eyes, nose, mouth will later appear.
Two tiger poachers were arrested after cell phone images of them hovering over the dead animals was picked up by authorities.
Not all dinosaurs had huge teeth and a taste for flesh, but new research suggests that at least one scrappy plant-eating dinosaur was a talented fighter, waging battle with its best weapon: a hard head.
Recreational fishermen on Monday found a rare 25-foot-long giant squid floating off the Florida coast, according to a University of Florida press release.
If you were to dig down about 2.2 miles, you might encounter this creature and its other nematode relatives.
Don't let your GPS lead you along. It might not know where you're going either.
Members of the U.S. Navy military special forces have a formidable weapon in their already impressive arsenal.
Some animals and plants that reproduce asexually "can in principle achieve essentially eternal life," according to a new study.
If you think you've seen a chupacabra in your midst, here's a handy checklist to identify the creature.