hibernation

  • Fat Bear Week is here and it's full of chunky Ursidae

    Vote on unbearably cute bears – and learn about how bears and salmon shape their ecosystem.

    On the northern Alaskan Peninsula, thousands of brown bears have busily spent the last few weeks gorging themselves o...

    Animals September 30, 2021
  • FossilWatch: Stats, sex, skulls and sleep

    Scientists learn more about hibernation and dinosaurs.

    Sleeping through tough times US scientists have discovered fossil evidence of a hibernation-like state in an anima...

    History August 28, 2020
  • How animals hibernate

    Rodent studies reveal the neurons involved.

    Two studies published in the journal Nature have independently zoned in on the brain circuitry that triggers a hibern...

    Animals June 12, 2020
  • From the vault: Born to be wild

    Cosmos takes a look back at some of our most popular articles.

    Take a walk on the wildside this week as Cosmos explores some random, peculiar and fascinating features found in natu...

    Society June 22, 2015