An international team of astronomers reports the discovery of a new giant exoplanet around an M-dwarf star (GEMS). The ...

Scientific American spoke with the astronomer who has contributed to the discovery of two thirds of Saturn’s known moons ...

The team's calculations indicate that young Jupiter had a radius nearly twice its current size, with a volume large enough to ...

Explore This SectionExoplanets HomeExoplanets OverviewExoplanets FactsTypes of ExoplanetsStarsWhat is the Universe Search for ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

"The Krokodillen rocks formed before Jezero Crater was created, during Mars' earliest geologic period, the Noachian, and are ...

To better understand Jupiter’s primordial stages, researchers turned to the tiniest of the planet’s 92 known moons. Almathea ...

Phillies fifth. Nick Castellanos singles to shallow infield. Max Kepler singles to shallow right field. Nick Castellanos to third. Alec Bohm flies out to center field to Oneil Cruz. Brandon Marsh hits ...

Runners left in scoring position_Pittsburgh 0; Philadelphia 7 (Turner 2, Kepler 3, Schwarber, Marsh). RISP_Pittsburgh 0 for 0; Philadelphia 3 for 12. Runners moved up_Stott. GIDP_Bart. DP_Philadelphia ...

HD 209458 b, nicknamed "Osiris," is one of the first exoplanets seen passing in front of its star, and it's about 159 light-years from Earth. Kepler-186f is the first Earth-sized planet discovered in ...

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

Exoplanets—planets that orbit stars beyond our solar system—have transformed our understanding of the universe. Since the ...