SpaceLunar volcanoes suggest the moon may still be warm Newly found patches on the moon suggest lunar volcanism lasted far longer than thought - and that radioactive elements may keep the interior warm today 51¶¯Âþ
SpaceStrangest star: 6 things we didn't know about the sun With its fiery rains, speedy magnetic flips and an atmosphere that defies the laws of physics – our home star is as weird as it gets Features