a report that primordial black holes, which are smaller than their better-known cousins, visit the inner Solar System once a decade, simulations suggest.“Black holes as big as atoms might be speeding through the Solar System”.
Despite being smaller than our own moon, Jupiter's moon Europa is thought to host a saltwater ocean underneath its icy shell, with twice as much water as Earth's oceans. To learn if the tiny world is hospitable to life as we know it, NASA plans to la...