Earth Matters

What to see in the night sky in February

8 reasons to appreciate naked mole rats

Amateur astronomer finds lost NASA satellite

Hong Kong bans all local ivory sales

Are we doing enough to protect the Mexican gray wolf?

Chile just created 10 million acres of new national parks

10 threatened U.S. coastlines

Christa McAuliffe's forgotten lessons will finally be taught from space

How does the flu work?

Millions in gold from 1857 shipwreck up for sale

Farmer saves oldest-known living Icelandic sea eagle

Plastics aren't just choking coral reefs, they're spreading disease, too.