The European and Japanese robotic explorer swooped as close as 183 miles (295 kilometers) above Mercury's night side before ...

A spacecraft has captured detailed images of Mercury's north pole, shedding new light on the mysterious side of the planet.

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

On Jan. 9, skywatchers can watch the dark limb of the 82%-illuminated waxing gibbous moon creep across this beloved star ...

A magnitude 7.1 earthquake hit Tibet on Tuesday, causing severe damage in Tingri County. At least 126 people died, over 180 were injured, and thousands of homes were damaged. Strong aftershocks ...

South Korea's impeached President Yoon Suk Yeol faces a new and potentially more robust attempt to arrest him for insurrection after a top investigator vowed to do whatever it takes to break a ...