Evolution

Scientists are studying the delicate mucus houses built by creatures called larvaceans to better understand how they live. Christopher Intagliata reports. 

Ancient tracks reveal a previously unknown creature from the Age of Dinosaurs—answering one question but raising more  

Prey animals flash biochemically produced light to confuse elephant seals hunting in the dark. But at least one seal turned the tables.

A sensitive genetic fingerprinting technique could help scholars learn more from thousands of fragile parchment fragments

A new analysis ruffles the story of poultry domestication 

A remarkable fossil reveals that the digits in our hands evolved before vertebrates emerged from the water to colonize land

Controversial new archaeological research casts doubt on a classic theory of this famous island's societal collapse

Exposed to mildly warmer waters, some corals turn neon instead of bleaching white. The dramatic colors may help coax symbiotic algae back. Christopher Intagliata reports. 

Mosquitoes that like to bite at night are being thwarted by bed nets, leading to the rise of populations that prefer to bite when the nets are not up yet.

The behavior could be an evolutionary adaptation that lets bees forage more easily

Originally published in August 1906

Food sharing is mainly found in adult animals as a part of social bonding. But in a rarely observed behavior in birds, older barn owl chicks will share food with younger ones.