John Green, the #1 bestselling author of The Anthropocene Reviewed and a passionate advocate for global healthcare reform, tells a deeply human story illuminating the fight against the world’s deadliest disease.

Social media has been a boon to autocratic regimes and their allied movements in democracies.

A Little Tooth - Your baby grows a tooth, then two,

The descent of stable societies into ones of endemic violence rarely produces anything but new forms of tyranny and terror.

AI makes finding software exploits casually easy. Security through nobody-bothering has been holding up far more of this industry than we'd like to admit.

New research - it’s one of the largest studies of emotional intelligence to date

Cosmic radiation comes from space. Only a small amount reaches the Earth's surface, but exposure is greater for people flying at high altitudes.

Physicists have long struggled with their goal of making gravity a quantum force. A radical post-quantum approach might solve that problem – and clear up other cosmic mysteries, too

Read the declaration and add your name.

A decades-old rule about human friendship turns out to be built on such shaky math that it could just as easily be 2 or 520.

I joined the Green Party of England and Wales in 2014.

One in 60 adults Fiji lives with HIV but a recent emergency declaration may help address key issues such as syringe sharing

Researcher says sightings of the endangered moth have increased over the last two years but ‘this year has blown them out of the water’