Biology

This child was buried 400 years ago in what is now Poland, face-down and with an iron padlock on their foot

“I’ve never seen anything like it,” says a paleontologist not involved in the discovery of a 40-million-year-old fossilized whale

Scientists altered the genomes of female fruit flies, allowing them to reproduce without any contribution from a male

Unisexual salamanders in the genus Ambystoma appear to be the only creatures in the world that reproduce the way they do. Researchers know how, but the why is still being figured out.

Malaria grabs headlines, but U.S. residents are more likely to encounter West Nile virus and other mosquito-borne illnesses

The attentive and endearing doggy head tilt might indicate your pup is trying to process what you’re saying

An international team of scientists says nematodes found in Siberian permafrost are 46,000 years old and survived using techniques similar to those of a modern lab favorite

With their stealth, speed and serrated teeth, sharks are predators to be reckoned with. And that’s before factoring in the cocaine some sharks may be eating

“Cell atlases” offer an unprecedented look at how kidney cells become diseased and how fetal cells invade and remodel the placenta’s blood vessels

An extraordinary fossil captures the moment when a hungry mammal attacked a dinosaur

Researchers across Europe have found bizarre nests bristling with the sharp metal stakes cities use to repel birds

Scientists have discovered that once mammals, such as dolphins or orcas, have become fully aquatic, they pass a threshold that makes a return to terrestrial landscapes almost impossible