The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a ...

Is it a UFO? Is it a hole in the sky? It’s neither — the clouds spotted in the Colorado sky on Wednesday morning are actually ...

Looking up at the Saturday afternoon sky, many residents saw what appeared to be a massive tear in the clouds above ...

Fantasy lovers who are obsessed with Howl's Moving Castle or wish they visit Velaris from the A Court of Thorns and Roses ...

Cloud cover is bad for picnics and for viewing stars through a telescope. But an exoplanet with dense or even total cloud ...

Seahawks fans could hardly have asked for a more perfect fall day at Lumen Field. Their team crushed the Cardinals 44-22, ...

A similar celestial show happened in August, when those in the Midwest and the Northeastern U.S. spotted a spiral-shaped ...

A writer returns to his native Australian island, where seeing the aurora takes more work than in the north, home of ...

While there will be plenty of aliens trick-or-treating for Halloween, stargazers were left to wonder about UFOs after a "strange light" was spotted across the sky in Ireland on Wednesday. Multiple ...

The night sky is cluttered with debris. A constant hail of space junk falling out of orbit, mixed with ever-growing trains of SpaceX satellites, means that observations of the cosmos are now forever ...