"This experiment's never been run before on another world," said Amy Williams, an astrobiologist working on the Curiosity ...

For almost a decade, astronomers have been searching for a ninth planet in the solar system. Recently, new evidence of another possible planet, dubbed Planet Y, was uncovered, and it could be around ...

It is 60 years since humanity first got up close and personal with another planet, with the impact of the Soviet Union's Venera 3.… An impact wasn't the primary objective of Venera 3. The plan had ...

It’s one of humanity’s oldest questions. Are we alone? Is there life elsewhere in our galaxy or the universe? Scientists last week made a stunning announcement that they had found the “strongest ...