Dinosaur metabolisms were diverse; some lineages were cold-blooded like their lizard cousins, while others were warm-blooded like their avian relatives alive today.
Scientists exploring the depths of Monterey Bay unexpectedly encountered a rare and unique species of dragonfish.
A newly discovered species of freshwater shrimp called Koonwarrella peterorum may have reproduced asexually via parthenogenesis.
A weirdly bloated creature, whose head has been defleshed and body looks more like a swollen, discolored beast of myth than anything real, washed up on an Australian beach last week.
A massive Antarctic ice shelf that covered an area about the size of New York City or Rome just collapsed into the ocean.
Pennsylvania officials spotted a worrisome concentration of ticks carrying a severe tick-borne disease in a single park. Is this an anomaly or part of a larger trend?
Goffin's cockatoos play golf in an experiment exploring their ability to combine multiple objects into one tool.
A 'bomb cyclone' is expected to bring strong winds and dump inches of snow on the U.S. Northeast on Friday and Saturday.
Scientists onboard an icebreaker in Antarctica were blown away when they spied a trove of 60 million icefish nests dotting the floor of the Weddell Sea.
A supremely weird new video shows a goldfish driving a water-filled, motorized "car" to help scientists understand how they navigate on land.
Ancient DNA reveals that woolly mammoths coexisted with humans in North America for 5,000 years longer than previously believed.
Reference Of the many dog DNA tests on the market, which one is right for you and your pet? How do they work, are they accurate, and what can you learn?