Midwinter marks the annual return of humpback whales to Hawaiʻi, swimming down from Alaska to breed in the warmer waters. Tiger sharks start showing up in greater numbers soon thereafter from across ...

The inspiring story of a misunderstood dog who got a second chance at a better life. Weather warning issued before Chiefs-Texans game Sunday shows preview: Hegseth in the hot seat as details emerge ...

Termites did not evolve complex societies by adding new genetic features. Instead, scientists found that they became more ...

In the icy waters of Alaska's Bristol Bay, a new study reveals how a small population of beluga whales (Delphinapterus leucas ...

Mating calls and rituals can be intercepted, or drowned out, by invasive species. Scientists are just starting to understand ...

Beluga whales avoid inbreeding by switching partners over time, helping a small, isolated population stay genetically healthy ...

For ecologists, the Covid-19 pandemic has presented a remarkable natural experiment in what can happen to wild animals when humans stay home. By Emily Anthes About two decades ago, the dark-eyed junco ...

Ducks evolved reverse spirals and sperm storage that give females surprising control, challenging long-held assumptions about ...