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

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

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While ...

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

Scientists in southern Spain are building next-generation telescopes to scan thousands of stars for signs of alien life.

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

Astronomers used the VLA and MeerKAT radio telescopes to search the Hycean exoplanet K2-18b for alien technosignatures, analyzing millions of signals but finding no confirmed artificial radio transmis ...

If our Moon suddenly vanished, Earth would already face dramatic consequences. But replacing it with entire alien worlds ...

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

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets we’ve found so far – which in turn makes them interesting for ...

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 ...

Castlewood Canyon State Park in Franktown, Colorado is one of those places that makes you do a double-take and wonder if someone forgot to tell you that Colorado secretly contains portals to Mars.