PhysicsExploring the universe – and how we found our place in it Enjoy the spectacular cosmos with this illustrated guide to astronomy, ranging from an iconic diagram by Copernicus to one of NASA's 2017 Jupiter photos Culture
SpaceMoon’s explosive birth drove iron deep into Earth's core Our moon was made by the Big Splash, an impact that we thought left iron deposits near Earth’s crust. It turns out that the metal sank into our planet’s core 51¶¯Âþ