Male and female dinosaurs from the same species sported different looks.
The deep-sea dwelling vampire squid could have 100 times more sex than its shallower-residing relatives.
The dino couple, nicknamed Romeo and Juliet, were entombed together for over 75 million years.
A pregnancy perfume broadcasts whether a female is pregnant, and even reveals the sex of her unborn infant. Continue reading →
Things are looking up for the world's rarest cat, whose population has doubled in number over the past decade.
Every beach has its own unique magnetic signature and research finds sea turtles detect these signatures to locate their favorite spots.
Dogs might only have a 10,000-year history in the Americas, suggests a new study that also concludes many early American dogs were wolf-like and highly valued.
Sparks are said to fly when people are in love, and now science proves this literally happens when an egg and sperm hit it off.
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