By 2015, NASA announced that Kepler had discovered its 1,000th exoplanet. 2016 was a banner year for exoplanet detections with nearly 1,500 in that year alone. The total number reached 5,000 in March ...

NASA has officially tracked 6,000 confirmed exoplanets—planets outside our solar system—a milestone that reflects decades of ...

The Carruthers Geocorona Observatory is the first mission focused on studying changes in the exosphere, the Earth’s outermost ...

TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.

Stratospheric pseudo-satellites are shedding their reputation as fringe experiments as governments and industry step up ...