For 15 years, one nearby exoplanet refused to reveal its secrets, its spectrum stubbornly flat, its atmosphere unreadable.
NASA’s Juno spacecraft has forced planetary scientists to reconsider something they thought was settled: how big Jupiter actually is. New measurements show the solar system’s largest planet is ...
The curious minds at What If investigate what would happen if you spent five seconds standing on Uranus, revealing cold, wind, and atmospheric hazards.