The math behind the music of the stars. To find a planet, we have to measure exactly how f...
Color is the key to motion. When a star wobbles toward us, its light turns blue; when it p...
The dedicated hunters of the deep sky. Specialized telescopes orbiting Earth have found th...
Scanning the air of an alien world. As starlight passes through a planet's atmosphere,...
If it happens once, it might be a fluke; if it repeats, it's a planet. To confirm a di...
Big planets leave big shadows. The amount of light blocked during a transit tells us exact...
Reading the "heartbeat" of a star. A graph of a star's light over time tells...
The math behind the movement. By measuring how long a planet takes to circle its star, we ...
Using gravity as a magnifying glass. Massive objects can warp the fabric of space, bending...