An analysis of more than 150 objects in the far reaches of the solar system suggests that a planet more massive than Mercury could be lurking beyond the orbit of Pluto.
planets
Posted inFeatures
How an Interstellar Interloper Spurred Astronomers into Action
Valuable lessons from previous interstellar objects allowed scientists to develop a more rapid response when the third one arrived in July.
Posted inNews
Cracks on Planetary Surfaces Hint at Water
Imagery of fractured terrain on Venus, Mars, and Jupiter’s moon Europa pinpoints environments influenced by water.
Posted inNews
Cinturones polvorientos ofrecen una visión más clara de la formación de exoplanetas
Las observaciones en longitudes de onda milimétricas de polvo y guijarros en 74 sistemas estelares sugieren que las migraciones planetarias podrían ser más comunes de lo que pensábamos.
Posted inNews
Dusty Belts Provide Clearer Insights into Exoplanet Formation
Millimeter-wavelength observations of dust and pebbles in 74 star systems hint that planetary migrations might be more common than we realized.
Posted inResearch Spotlights
Ceres’s Organics Might Not Be Homegrown After All
Scientists have been unable to determine whether the dwarf planet’s organics were produced by its own chemical processes or delivered by asteroids. New evidence implicates asteroids.
Posted inResearch Spotlights
Three Ways to Track Venusquakes, from Balloons to Satellites
The planet’s harsh conditions make studying seismicity challenging, but it is likely possible.
Posted inNews
Small Stars Produce Mighty UV Flares
Stronger-than-expected ultraviolet flares could either provide exoplanets the sparks of life or prevent them from having life at all.
Posted inResearch Spotlights
All Eyes on Jupiter
Astronomers hope amateur enthusiasts will help them monitor Jovian weather.