SpaceNeptune-like exoplanet spotted that has a watery atmosphere Signs of water in a gas giant exoplanet’s atmosphere suggest the world formed much closer to its star than gas giants in our solar system did ¿ìè¶ÌÊÓÆµ
SpaceMars Trojans may be part of a planet that was destroyed long ago Nine asteroids that trail the Red Planet contain a material usually only formed in the mantle of rocky planets ¿ìè¶ÌÊÓÆµ