Most biologists will answer confidently when asked 'which came first, the chicken or the egg?" but the answer may depend on what type of egg you're talking about.
The rodent has been predicting the start of spring since 1887. But how good is Phil at his prognostications?
Five species of previously unknown snakes with stunning eyes were discovered in jungle trees, and one was named after Leonardo DiCaprio. But mining threatens them all.
Groundhogs, also called woodchucks, are large rodents. Traditionally, their shadows are used to predict when winter will end.
Researchers stumbled across a bizarre species of blind cave fish with a mysterious, horn-like structure protruding from its head and a lack of scales or pigmentation.
Discover where cottonmouth snakes live, how to identify them, and whether they are venomous and aggressive.
In a new study, some juvenile sea spiders were able to regrow amputated body parts, which was previously assumed to be impossible in these marine arthropods.
A never-before-seen species of pterosaur had hundreds of hooked teeth that helped it filter its food in a similar way to living flamingos.
Diver Yosuke Tanaka swam with a giant squid in the Sea of Japan near Toyooka City in Hyogo Prefecture.
Satellite photos showing poop stains in the West Antarctic snow and ice have revealed a previously unknown breeding colony of emperor penguins.
A new study has revealed that red junglefowl, the wild ancestors of chickens, are losing their genetic diversity as they mate with their domesticated counterparts.