This fan-favorite double star at the head of Cygnus the swan shows off stunning contrasting colors through a telescope.

Astronomers manning an asteroid warning system caught a glimpse of a large, bright object zipping through the solar system ...

U.S. astronaut Nichole "Vapor" Ayers captured a spectacular view of a phenomenon known as a "sprite" blazing to life above an ...

NASA astronaut Nichole Ayers, who is aboard the International Space Station as pilot of SpaceX Dragon’s Crew-10, captured the ...

NASA astronaut Nichole Ayers has shared an incredible image of a sprite, a rare weather phenomenon that's triggered high ...

Summer’s brightest stars appear, echoing these Earth-bound lights, beginning around 9:20 p.m. through mid-month.

Discover why Earth's farthest distance from the sun coincides with summer heat, then grab your binoculars for a week of ...

Mercury reaches its point of greatest eastern elongation on Friday (July 4), presenting an excellent opportunity to spot the ...