Earth Matters

At 68 years old, Wisdom the Laysan albatross lays another egg

'Psychedelic' jellyfish dominates the deep-sea dance floor

Gemstone turns out to be fossil of an unknown dinosaur

The mystery of dark matter and dark energy might just have been solved

Why do we want to squeeze cute things?

Exuberant digging dog unearths 13,000-year-old woolly mammoth tooth

Humans step in to translate for little blue penguin at Christchurch beach

Ecologists share their passion for nature in these winning images

What we can learn about longevity from Lonesome George

A massive newly discovered cave may be the biggest in Canada

10 wonders of the solar system

Fans mourn famed Yellowstone wolf killed by trophy hunter