World CNN Wire

Norway euthanizes beloved 1,300-pound walrus named Freya

The Norwegian government euthanized its celebrity walrus Freya on early Sunday morning, after warning the public to stay away from her."The decision to euthanize the walrus was made based on an overall assessment of the continued threat to human safety,"…

Getting up close and personal with Patagonia's pumas

When things feel overwhelming, an escape into nature is just the ticket.That's what happened for the film crew and scientists who worked on the CNN docuseries "Patagonia: Life on the Edge of the World" after the pandemic began."I think it…

Supergiant Betelgeuse had a never-before-seen massive eruption

The red supergiant Betelgeuse, a colossal star in the Orion constellation, experienced a massive stellar eruption -- the likes of which have never been seen before, according to astronomers.Betelgeuse first drew attention in late 2019 when the star, which glitters…

How scientists have reanimated cells from dead pigs

Since ancient times, the idea of eternal life has captivated the human imagination.Around the world, there are so-called blue zones where people live exceptionally long and healthy lives. Scientists study these "lands of immortals" to uncover the secrets of longevity.We…