NASA scientists have firmly rejected claims by Harvard astronomer Avi Loeb that the interstellar comet 3I/Atlas may be a ...

The space agency said analysis of the unusual markings by the Perseverance rover has revealed they contain minerals that on ...

NASA is finally releasing details on its discovery of Mars biosignatures and exactly what that means for alien life.

"When we see features like this in sediment on Earth, these minerals are often the byproduct of microbial metabolisms that ...

NASA officials will unveil details about a new finding connected to a unique sample the Perseverance rover found on Mars ...

One year ago, Jared Isaacman and his Polaris Dawn crew launched on a six-day mission aboard a SpaceX Dragon that made history ...