A NASA Curiosity rover image has sparked claims of an 'alien missile' on Mars, though NASA attributes such formations to ...

A strange rock formation captured in NASA rover footage has ignited fresh viral speculation regarding alien life on the Red ...

In searches for past and present Martian life, some scientists say we’ve been too cautious to see what’s right in front of us ...

Add Yahoo as a preferred source to see more of our stories on Google. Almost 14 years since landing on the Red Planet, Curiosity is still hard at work exploring. And in new observations, Curiosity has ...

NASA's Curiosity rover has spotted a strange honeycomb texture on the surface of Mars. But what is it? Almost 14 years since landing on the Red Planet, Curiosity is still hard at work exploring. And ...

Given the size and age of the universe, it should be full of species with technology far more advanced than our own. But so far there is no trace ...

Add Yahoo as a preferred source to see more of our stories on Google. A rocky planet orbiting in the habitable zone of a sun-like star may look like a perfect place for life to thrive — but not if ...

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When NASA scientists need to test equipment or study environments that might exist on Mars, they don’t always have to leave ...

A meteorite that crashed through the roof of a New Jersey home last year contains the chemistry of alien life, according to scientists. A “sonic boom” shook New York City after a space rock the size ...

The European Space Agency's Mars Express has spotted a swath of metallic-looking waves filling Mars's large Kaiser Crater—an ancient and otherworldly dune field sculpted by wind. This month's snapshot ...