NASA's Curiosity Mars rover discovered these bumpy, pea-sized nodules while exploring a region filled with boxwork formations—low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy ...

A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic ...

Simulated lunar dirt can be turned into extremely durable structures, potentially paving the way to more sustainable and cost-effective space missions, a new study suggests. Using a special laser 3D ...

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to survive inside, while also protecting them from being desiccated or exposed to ...

Aliens exist – they just haven't visited Earth, a NASA veteran has claimed. Dr Gentry Lee has worked at the US space agency since 1968, when he first got involved with the Viking mission to Mars. He ...