Nearly two years after its historic encounter with the dwarf planet Pluto, NASA's New Horizons spacecraft is getting ready for its next big adventure in the icy outskirts of the solar system.
NASA scientists are gearing up for the Dec. 12 launch of the Cyclone Global Navigation Satellite System (CYGNSS), a dedicated fleet of storm-watching microsatellites that will track hurricane evolution over Earth's oceans.
NASA plans to launch a suite of tiny, next-generation satellites into Earth's orbit to study weather patterns and climate change.
How many planets can fit into the habitable zone around a star? A group of scientists saw this question posed by a non-scientist on Reddit and decided to answer it.