It would be disappointing and surprising if Earth were the only template for habitability in the Universe.
New research on Uranus' magnetosphere could help scientists learn about distant systems, and refine the ways they search for alien life.
Scientists propose an unexpected location for extraterrestrial life.
The mystery behind star KIC 8462852 (aka Tabby Star) continues. Many scientists have proposed ideas but all explanations (so far) seem as unlikely as the Dyson Sphere theory.