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 ...

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 ...

Sometimes the most unbelievable places are the ones hiding in the most unexpected locations, and Onyx Cave in Cave City, Kentucky is proof that you don’t need to travel to distant continents to find ...

Sometimes the universe just hands you a gift, and Natural Bridges State Beach in Santa Cruz is exactly that kind of present, ...