Some stars pulsate like a cosmic heartbeat. Not all stars shine steadily; some expand and ...
Detecting the tiny shadow of a world. When a planet crosses in front of its parent star, t...
Using color to take the temperature of a sun. By comparing how bright a star is through a ...
Is that star truly brilliant, or just very close to us? Astronomers distinguish between Ap...
Capturing individual packets of energy from the deep sky. To understand the power output o...
Sniffing the atmosphere of an alien world. When a planet transits its star, a tiny sliver ...
The universe is constantly moving, and light is the cosmic speedometer. Just as a siren ch...
How do we know a star has gold or iron without ever touching it? Every element on the peri...
Reading the "barcode" of the universe. Depending on whether light is shining thr...