Here's a thought experiment that keeps planetary scientists awake at night. Strip every living thing from our planet, every bacterium, every blade of grass, every creature that has ever drawn breath ...

Sci-fi is an enduring genre on the small screen, even if the budgets couldn't always match the big screen, and these are the ...

Scientists identify exoplanet candidate HD 137010 b, a possible Earth-size world orbiting a Sun-like star 146 light-years away ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

After exposing notoriously resilient microscopic animals called tardigrades to simulated Martian soil, they began to move extremely slowly ...

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

NASA's Mars Curiosity rover has been exploring a curious geological formation made up of ridges that look like spiderwebs from space.

The historic Chateau at the Oregon Caves is an architectural gem that deserves recognition beyond its role as a place to ...

Pull off the highway to discover an Arizona diner packed with UFO decor, nostalgic eats, and the kind of weird that makes ...

Did you know? Sound from another planet, the wind on Mars, has been recorded and made audible with the help of headphones and ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

There were schools of thought in Ancient Greece that speculated about extraterrestrial life, in trying to answer questions ...