The best time to see a shooting star is on Nov. 16 and 17, when the Leonids peak during an almost completely dark waning crescent moon. The meteors from the Leonids can be very bright and colorful ...

The science never said humanity was doomed. Now, apparently, you’re not obliged to believe it is.

An ominous-looking nebula named NGC 246 lurks in the constellation Cetus about 1,600 light-years away from Earth. It is ...

Earth’s magnetosphere, once thought to have a simple electric polarity pattern, has revealed a surprising twist. New ...

Researchers armed with a new "photonic lantern" device have discovered an unexpectedly asymmetrical disk of gas swirling ...

Mercury currently appears as a bright "evening star" in the southwestern sky at sunset. Mercury will reach its greatest ...

NOAA's CCOR-1 coronagraph captured the blast that showed the sun's raw power in action.

Low clouds matter most for albedo and sunlight reflection. They bounce a lot of sunlight back to space. Last year, low cloud ...