All Articles
Why Most Planets Will Either Be Lush or Dead
The Gaia hypothesis implies that once alien life takes hold, it will flourish.
When We Were the Cosmos
The director of the Griffith Observatory revisits the dawn of astronomy.
The Spirit of the Inquisition Lives in Science
What a 16th-century scientist can tell us about the fate of a physicist like David Bohm.
Rapid Oxygen Changes Fueled an Explosion in Ancient Animal Diversity
Skyrocketing animal diversity a half-billion years ago was linked to spikes and dips in marine oxygen levels, according to a detailed geological study.
As Planet Discoveries Pile Up, a Gap Appears in the Pattern
Astronomers are puzzling over a paucity of planets in the galaxy measuring between 1.5 and two times Earth’s size.
What’s the Magic Behind Graphene’s ‘Magic’ Angle?
A new theoretical model may help explain the shocking onset of superconductivity in stacked, twisted carbon sheets.
Immune Cells Measure Time to Identify Foreign Proteins
T-cells identify what belongs in the body by timing how long they can bind to it.











