Earth Matters

6 things we learned from the Philae comet lander, as it goes silent

Wildlife rangers put their lives on the lines with little support

Mysterious baby star might grow up to be loneliest star in the universe

How Rocky the orangutan is giving us clues to human speech

Jupiter's famous red spot is insanely hot! Scientists probe for explanations

Fairy penguin makes public debut in the Bronx

You can help NASA track climate change from your phone

The ancestor of all known life was a microbe that ate hydrogen from deep-sea volcanoes

White dwarf discovered that blasts a strange ray beam at companion star

World's deepest 'blue hole' discovered in South China Sea

Battered mangroves find reprieve in Sri Lanka with new conservation plan

Meet the 'sister clones' of Dolly the sheep