Earth

Earth

Ash blast

Tiny particles ejected from a 2010 volcanic eruption pose big problems.

Environment

Busy bacteria leave big mark

Earth’s earliest life-forms built mounds on an Antarctic lake bottom.

Earth

Ice on the move

Flowing glaciers help scientists study climate change.

Oceans

Sea changes

Carbon dioxide is making the oceans more acidic.

Environment

Floor of Gulf got slimed

Oil from BP spill was likely dragged down by bacterial goo.

Earth

Quake leaves destruction, fear

In Japan, an earthquake started a tsunami that caused a nuclear disaster.

Environment

Planting seeds for better plastic

Scientists are working to put the bio in plastics.

Environment

Underwater racket

The oceans are getting louder, and scientists want to know what that means for marine residents.

Tech

The energy of an Internet search

Websurfing has a bigger footprint than you might think.

Environment

Lakes, too, feel global warming

Environment

What’s in your receipt?

Here's one way to avoid BPA this holiday season.

Environment

The carbon dioxide coral generation

More acidic oceans could mean fewer young corals.