Arrokoth is composed of two separate bodies, 3 and 9 miles across. In the distant past they rotated so slowly about each other that their mutual gravitational attraction caused them to come together ...

Much of the U.S. from the Rockies into the Northern Plains will see colder than normal temperatures starting Sunday into the coming week, including forecasted wind chills down to minus 40 degrees F ...

The joint European-Japanese mission is only the second survey of Mercury, the least explored planet in the inner solar system ...

Hundreds of people were ordered to evacuate and part of Highway 1 in Northern California was closed after a major fire ...

The temperature is predicted to be around 22 degrees during the swearing-in, the coldest since Ronald Reagan’s second ...

Precipitation, whether it be snow or rain, will be the theme this weekend in York County. National Weather Service Meteorologist Bill Gartner said that following a Saturday with a mix of rain and snow ...

A pedestrian is suffering from life-threatening injuries as the result of a crash on Deacon Boulevard in Winston-Salem on ...

A stretch of Interstate 81 northbound in the Chambersburg area was closed for a vehicle crash Thursday afternoon. The closure ...

European mission to Mercury just made its sixth flyby of the planet, revealing stunning close-ups of the permanently shadowed ...

A North Carolina man was arrested after federal prosecutors say he tried to fly to Morocco to join the Islamic State group last month. Twenty-nine-year-old Alexander Justin White of Durham ...

Suzie Imber is a co-investigator for the BepiColombo mission, currently on its way to Mercury. She explains how it will cast ...