Eastern phoebe nest with one brown-headed cowbird egg

The Sky’s Creepiest Parasites

Are you a bird? Is your chick acting weird? You might be victim of a brood parasite.
A tornado in a field

Why Tornadoes Are So Difficult to Predict

Scientists and weather forecasters have been trying to understand tornadoes for over 100 years, but the average advanced warning is still only 14 minutes.
A constellation of satellites

Losing the Night Sky

Does an increase in satellites mean we soon won't be able to see the stars?
An archerfish shooting water at a bug

The Amazing Eyes of the Archerfish

The archerfish has an unusual skill: it spits water directly at its prey, knocking the bugs out of the sky. But how?
A geometrid moth caterpillar

Camouflage Gets Weird

Some animals use chemical camouflage, even altering the way they smell in order to avoid predation.
Scientist viewing plant leaf in a petri dish under a inverted microscope in a laboratory.

Artificial Photosynthesis

What is artificial photosynthesis, how does it work, and why would we need it?
A peacock

Green Birds Aren’t Really Green

Some of the most dazzling coloration you see in birds doesn’t actually exist.
A landfill with smoke in the background

The Lowdown on Municipal Trash Incinerators

Burning household trash in massive incinerators saves landfill space, but it also introduces a host of other waste management issues.
Eagle Street Rooftop Farm, Brooklyn, NY

How Urban Agriculture Can Meet Its Potential

New York City's urban agriculture has not been found to provide benefits to either hungry people or the environment. How could city farms work better?
A land snail

The Hidden Extinction Crisis

The extinction crisis might be even worse than we think, because we tend to mostly pay attention to terrestrial vertebrates.