All Stories

Planets

Ice on Mercury

MESSENGER spacecraft provides evidence for frozen water on planet closest to sun.

Environment

Trees on the edge

Serious drought is a threat to most trees, worldwide survey finds.

Animals

When the nose no longer knows

Pollution can endanger aquatic animals by damaging their sense of smell.

Health & Medicine

Ebola in the air

A deadly virus can spread through the air from pigs to monkeys.

Climate

Twister science

Meteorologists are learning what makes a tornado.

Animals

Threatened coral get fishy rescue

When toxic seaweed gets too close to this coral, gobies fight and bite back.

Chemistry

Cool Jobs: Crime scene investigators

These researchers don’t miss a clue.

Chemistry

Explainer: Ocean acidification

Here’s why shellfish and other animals in the sea suffer when the ocean is forced to absorb too much carbon dioxide.

Brain

Baby’s stress can last decades

Early stress may impair adult behavior, especially in girls.