Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

The exoplanet telescope TESS revealed a distant world using an entirely different detection method than the one it was built ...

NASA's exoplanet-hunting spacecraft TESS has a new method for detecting worlds beyond the solar system, and it is thanks to ...