How rocks rusted on Earth and turned red

"Scientific culture is in the exact opposite place of where it should be. All we’re saying is if the conditions on Earth are replicated on billions of other planets in the Milky Way, maybe you get similar outcomes. What could be more conservative?" Avi Loeb on academic reluctance to study alien life

Watch this tiny crustacean make some of the fastest snaps on Earth

Mapping the Most Mysterious Planet of All: Earth