In the Venus case, the potential clue was a faint spectral line in radio data, not a photograph of organisms in the clouds. One account of the controversy quotes Greaves describing the discovery as a ...

New research suggests that many planets previously considered promising for life may, in fact, be far less hospitable. A distant planet might sit in the perfect orbit for life, with temperatures just ...

We have no idea what kind of life may exist on other planets, so it’s hard to know what to look for. Proxima Kósmos imagines a very different kind of solar system that could harbor life-forms we haven ...