Animals

Scientists are trying to decode why humpback whales can be observed hanging around with their mouth open, with no apparent explanation

Greenland sharks have hearts that can function normally for more than a century

Just like vertebrates, cephalopods—such as octopuses and squid—have elaborate brains. Neuroscientists are flocking to them for insights into how intelligence evolved.

The migration of birds from their southern wintering grounds to their breeding grounds in the north is in full swing

The “hydrogenobody,” a newly discovered structure inside microbial cells in cows’ gut, may play a key role in methane production, a new study suggests

Rescuers had called off the effort to save “Timmy,” a humpback whale that had stranded in the Baltic Sea last month. But now a last-ditch attempt to move the creature by barge is underway

“I fully believe our results, that urban birds react differently based on the sex of the person approaching them,” said a co-author of a study that made this finding, “but I can’t explain them right now”

Researchers filmed 10 species eating or scavenging bats at a known Marburg-virus hotspot—and caught hundreds of humans visiting

Light pollution is dangerous for birds flying over towns and cities. Here’s how you can help

New research shows the global wildlife trade is rapidly accelerating the spread of animal pathogens that can jump to humans

This enigmatic orb has undergone extensive examination and DNA testing, enabling scientists to reveal its true origins

Gibraltar’s macaques have been observed engaging in geophagy, the consumption of soil and clay, in an apparent attempt to quell their nausea from eating fatty and salty foods offered by tourists