There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...

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 ...

But rather than availing myself of these bona fide GOTY contenders, I’ve found myself pretending to be an alien who’s ...

The European Space Agency's JUICE spacecraft has captured detailed images of the interstellar comet 3I/ATLAS, offering ...

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 ...

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

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...

Want to catch a glimpse of the planetary alignment from Florida? Here's what to know, including a list of official dark sky ...

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

Known as the R-36Orb inside the military, the weapon was designed by Soviet military to bypass American defenses.