Climate change is making the biggest and most destructive hurricanes more frequent and increasing the damage they inflict by relentless rain.
As new coronavirus variants emerge and the longevity of vaccine protection remains unknown, scientists are researching how booster shots could work.
The human immune system is the most complex biological system we know, after the human brain. What happens when your body is invaded and your first lines of defenses are engaged in a fight for life and death?
Ahana Fernandez trekked through the rainforests of Central America, ears tuned for high-pitched, repetitive chirping and squeaking from greater sac-winged bat pups. Their babbling may shed light on why human babies babble and the origins of speech.