"Winter landscapes are also magical from the International Space Station," French astronaut Thomas Pesquet wrote when he shared this photo of the Dnieper River on social media. Pesquet took the photo as the space station flew over Russia on Feb. 9.
Scientists aren't the only ones excited about the discovery of seven Earth-size exoplanets around the star TRAPPIST-1. It turns out, the folks at Google are fans, too, and they celebrated with an adorable Google Doodle.
Scientists on NASA's New Horizons mission, which performed the first-ever flyby of Pluto in July 2015, will officially propose a new definition of "planet" next month — one that gives Pluto its planethood back.