Creating a total eclipse on demand. By using a specialized mask inside a telescope to bloc...
The ultimate game of hide and seek. Trying to see a planet next to a star is like trying t...
Where exactly do objects orbit? Planets don't actually orbit the center of a star&mdas...
Heavier planets make bigger waves. A giant planet like Jupiter creates a much more noticea...
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...