<p>An unusual hellscape of a planet found 34 light years from Earth has a deep ocean of molten magma surrounded by noxious, hot, rotten egg-type fumes. It just may be the most uninhabitable alien landscape we've ever come across.</p><p><br></p><p>PLUS:</p><p><br></p><ul><li>Neanderthal DNA can help explain how human faces form</li><li>Nearly indestructible teeny tiny tardigrades struggle to survive in Martian dirt</li><li>Tiny tags on monarch butterflies allow scientists to track their exact migration route</li><li>A weird fish has a big hole in its head. Scientists finally have an idea why.</li></ul>