SciShow
Kepler's Planetary Bonanza
You've know that the Kepler Space Telescope has discovered HUNDREDS of new planets outside our solar system -- but how does it find them? And how do scientists tell the real planets from the celestial fake-outs? It involves a lot of...
NASA
Kepler Stares at Neptune
During its K2 campaign, NASA's Kepler spacecraft observed the eighth planet in our solar system, Neptune. Kepler detected small changes in Neptune's brightness caused by the planet's daily rotation, the movement of clouds, and even...
Professor Dave Explains
Exoplanets: The Hunt for Habitable Worlds
Just as our own sun has many planets, other stars also have planets of their own. These are called exoplanets. The first of these was discovered in the 1990s, and since then, thousands of others have been found, thanks largely to the...
Science Friday Initiative
Science Friday: Kepler Telescope Spots Tiniest Exoplanets Yet
Reporter Ron Cowen discusses his top picks from a meeting of the American Astronomical Society.