Earth Matters

Meddling bonobo moms will stop at nothing to get grandchildren

Permafrost decomposes, releases carbon dioxide far quicker than once believed

Something very big and very dark punched a hole in our galaxy

What is a blue moon?

What we're learning about Ultima Thule

How does a sloth say 'Thank you'?

Millions of people inhabit this 'hidden continent' that's 94% underwater

Photos capture diversity of life on Earth while inspiring conservation

10 things you didn't know about koalas

The story behind kudzu, the vine that's still eating the South

4 things that make the humble squid the supergenius of the sea

The secret to staying safe while hiking is preparation