Earth Matters

How Yosemite's scuba-diving flies stay dry

Watch the Earth 'breathing' from space

Should homeowners give in to climate change?

Blazing fireball over Finland turns night into day

Urban trees are growing — and dying — faster than their rural counterparts

Bizarre cigar-shaped asteroid is from another star and unlike anything seen before

NASA reinvents the wheel using chain mail

Days after oil spill, Nebraska approves Keystone XL pipeline project

22 things you may not know about squirrels

Drilling threat looms large for Arctic National Wildlife Refuge

This is the best claw game prize ever

Trump hits pause on decision about import of elephant trophies