We’ve spotted auroras on Neptune for the first time

Green blotches show where auroras light up Neptune’s skies NASA, ESA, CSA, STScI, Heidi Hammel (AURA), Henrik Melin (Northumbria University), Leigh Fletcher (University of Leicester), Stefanie Milam (NASA-GSFC) For the first time, researchers have spotted infrared auroras swirling in Neptune’s atmosphere, verifying decades of scientific speculation. When NASA’s Voyager 2 mission flew by Neptune in…

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Nasa astronauts Butch and Suni finally back on Earth

Rebecca Morelle, Alison Francis and Greg Brosnan BBC Science Watch: Astronauts return to Earth after extended stay in Space After nine months in space, Nasa astronauts Butch Wilmore and Suni Williams have finally arrived back on Earth. Their SpaceX capsule made a fast and fiery re-entry through the Earth’s atmosphere, before four parachutes opened to…

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Rock record illuminates oxygen history

Several key moments in Earth’s history help us humans answer the question, “How did we get here?” These moments also shed light on the question, “Where are we going”? — offering scientists deeper insight into how organisms adapt to physical and chemical changes in their environment. Among them is an extended evolutionary occurrence over 2…

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