Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures ...

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 ...

Mammoth Cave National Park sprawls beneath the rolling Kentucky landscape, containing the longest known cave system anywhere on Earth. Not the longest in Kentucky, not the longest in North America, ...

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

The fossilised bones of our ancestors remain silent. So, how can we possibly imagine what our earliest languages sounded like?

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 ...

He has a beard, a splitting maul, and a house in Michigan. Is that enough to convince America that he’s a man of the people?