Protecting palm-tree sap from bats may limit spread of deadly disease, a study in Bangladesh shows.

A visual illusion that causes adults to misjudge objects’ sizes doesn’t affect young children, a new study finds.

Plant pathogen could help track waters polluted with human waste.

The feature may be a ‘skylight’ in an underground lava tube.

A fresh look at a fungus-insect partnership that biologists have studied for more than a century uncovers a role for bacteria.

Multiple teams announce complete draft of the maize genome, with a full plate of surprises that include hints about hybrid vigor.

Prevalence of a dung fungus over time suggests megafauna extinctions at end of last ice age started before vegetation changed.

Detailed imaging of runners’ hearts before and after races doesn’t find signatures of heart attacks

Skulls thought to be from three different dinosaurs may actually be from the same type of dino at three different ages.

The stars that are just right to support life-bearing planets might be dimmer and longer-lived than the sun.

Newly recorded gamma rays from a microquasar may reveal how the black holes or neutron stars powering them can accelerate particles to enormous energies.

CT scans of preserved individuals show hardening of arteries similar to that seen in people today.