The Hubble Telescope Just Sized Up an Earth-Sized Exoplanet

The Hubble Space Telescope just ogled an exoplanet passing in front of a star in a triple system, revealing the nearby world’s mass.Read more…

Retired NASA Telescope Reveals Clues to the Elusive ‘Size Gap’ in Exoplanets

Exoplanets pushing their atmospheres away may explain a gap in exoplanet masses, according to a team of researchers that recently studied data from NASA’s retired Kepler Space Telescope.Read more…

Webb Telescope Spots Wild World With Sand Clouds and Sulfuric Skies

The Webb Space Telescope has revealed a world quite alien compared to our own: WASP-107b, a Neptune-like gas giant that orbits a star some 211 light-years from Earth. Webb has now detected water vapor and sulfur dioxide in the planet’s atmosphere, as w…

We’ve Underestimated Our Ability to Spot Alien Signals From Exoplanets

An encouraging new study has found that the interference from exoplanets—planets that orbit stars outside our solar system—has been overestimated in searches for extraterrestrial signals.Read more…