Our solar system hides a dark and violent past, and new discoveries reveal that Earth and the planets were formed from the destruction of alien worlds that came before us ...

Planets that orbit two suns instead of one might be deadly hell worlds, but new discoveries reveal that sci-fi star systems with binary stars might be optimal places for ...

Is there another Earth out there with liquid oceans, rocky continents and life like us? Astronomers seek the answer with spectroscopy, direct imaging and telescopes. They ...