Earth Matters

Climate change outruns evolution, studies find

A rare star escapes the supermassive black hole at the heart of the galaxy

How to nap like a sea otter pup

Grasshoppers have invaded Las Vegas

India's tiger population is on the rise

Why would trees keep a nearby stump alive?

When it comes to biodiversity, Alabama's Fern Cave is an under-the-radar hot spot

Man comes home to find a massive tiger snoozing on his bed

Amazon deforestation heading to dangerous 'tipping point'

2 dead stars are locked in a timeless embrace

Rare encounter with piglet squid leaves deep sea explorers at a loss for scientific words

Southwest may see 'megadrought' this century