Professor Sara Seager previews a new era of discovery as a leader of the TESS mission, which is expected to find some 20,000 extrasolar planets.

Satellite developed by MIT aims to discover thousands of nearby exoplanets, including at least 50 Earth-sized ones.

The planetary system’s dense configuration gives clues to its formation

Satellite’s cameras have been delivered by MIT researchers and passed NASA inspection.

Some 40 light-years away, "super-Earth" identified as new target for atmospheric study.

High school girls learn to construct cameras and program image filters at Lincoln Laboratory event.

Though likely uninhabitable, planet is rocky, Earth-sized, and near enough for study of its atmosphere.

Team describes use of method to determine properties of clouds surrounding the exoplanet Kepler-7b.