Animals

Birds might sing in the morning because they need a vocal workout

Domestic cats are cherished human companions, but a new study shows the enormous breadth of species the felines prey on when they are left to roam freely

Machine-learning software gets behind the inscrutable feline face and may improve pet care

The iridescent, blind De Winton’s golden mole was last seen in 1937 and later declared officially lost. But scientists have since rediscovered it by tracking its environmental DNA

Veterinarians and researchers are investigating mysterious clusters of severe respiratory disease in dogs

These historical forgeries show what makes misinformation so successful

Chinstrap Penguins take more than 10,000 seconds-long naps during the day to remain vigilant while incubating their eggs

Dozens of mating bats caught on video at a Dutch church reveal an unusual use for their "huge" penises

Wolves and other animals seeking easy meals and ideal habitat can flock into areas burned by wildfire

Squirrels spread their fall bounty across several locations. But do they have a key to this treasure map?

Trees can outsmart animals such as squirrels and birds by synchronizing their seed production

Shifting temperatures disrupt the cues animals rely on to navigate their environment