You’ve probably followed the Mars rover missions on and off for years, watching those red-dust landscapes scroll across your ...

NASA’s Curiosity rover has spent roughly six months exploring a geological feature on Mars known as boxwork: a vast network of low rock ridges, about 3–6 feet (1–2 meters) tall, crisscrossing the ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

Fort Rock State Natural Area in Fort Rock, Oregon, is exactly that kind of place, where the landscape looks so otherworldly you’ll keep checking to make sure you’re still in the Pacific Northwest. You ...

New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid ...

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 ...

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

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 ...

Astrobiologists say we could find evidence of microbial life within the next 10–20 years. What does that mean? Where are we ...

Life on Earth may not have started here at all. A scientist says alien intervention is unlikely but still possible, reshaping the debate on our true origins.

It sounded like the former president was having an X-Files moment. Asked on a podcast whether aliens were real, Barack Obama replied with Fox Mulder certainty. "They're real, but I haven't seen them," ...