Latest Issue 3 Aug 2015 Latest Issue 3 Aug 2015 An artist’s impression showing a newly discovered Jupiter twin gas giant orbiting the solar twin star, HIP 11915. The planet is of a very similar mass to Jupiter and orbits at the same distance from its star as Jupiter does from the Sun. This, together with HIP 11915’s Sun-like composition, hints at the possibility of the system of planets orbiting HIP 11915 bearing a resemblance to our own Solar System, with smaller rocky planets orbiting closer to the host star.ESO / L. Benassi NewsSpace Meet our Solar System's twin A planetary system similar to our own has been located. by Cathal O'Connell News Life Sciences Ancient forest microbes live 2.5 kilometres under the sea by Viviane Richter Traces of life have been found in a 20 million year old coal deposit. News Life Sciences How the Texas horned lizard harvests water on its skin by Belinda Smith Desert-dwelling lizard collects water on its spiky skin. Feature Life Sciences A cure for the second-biggest killer of horses by Belinda Smith Equine physiologist identifies a marker for a deadly disease. News Life Sciences Glowing corals discovered deep in the sea by Viviane Richter Why corals emit light 50 metres under the Red Sea is a mystery. Opinion Technology Race to store renewable energy by Alan Finkel Batteries are urgently required to store solar and wind power. Feature Space From the vault: Alien encounters by COSMOS editors A look back at some of our most popular articles.