The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and probes are racing ahead to hunt for life light‑years away. Lawmakers have ...

The surface of Mars looks like an empty red wasteland. But if you look a bit closer, the remnants of an ancient alien civilization begin to take shape. At least, that's the conclusion of George J.

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Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...