One proposed solution to the Fermi Paradox suggests that intelligent civilizations remain silent by necessity. Advanced ...

A rare visitor from deep space has swept through the inner solar system, offering astronomers a fleeting look at material ...

Scientists discover 26 new bacterial species in NASA cleanrooms, revealing surprisingly resilient microbes with potential ...

Planets orbiting two stars at once, a world that sparked debate over the possibility of life, and another being vaporized by ...

As Prime Minister Mark Carney puts trade and security at the centre of Canada's foreign policy, observers say Ottawa is also ...