Image: Full moon over Newfoundland

Astronauts on the International Space Station captured a series of incredible star trail images on Oct. 3, 2016, as they orbited at 17,500 miles per hour.

NASA astronaut Scott Kelly (@StationCDRKelly), currently on a year-long mission on the International Space Station, took this photograph of a sunrise and posted it to social media on Aug. 10, 2015.

From the International Space Station, Expedition 42 Flight Engineer Terry W. Virts took this photograph of the Gulf of Mexico and U.S. Gulf Coast at sunset and posted it to social media on Dec. 14, 2014.

From the International Space Station, NASA astronaut Terry Virts (@AstroTerry) took this photograph of an early morning sunrise over the Grand Canyon and posted it to social media on May 10, 2015.

The International Space Station, with a crew of six onboard, is seen in silhouette as it transits the Moon at roughly five miles per second, Saturday, Dec. 2, 2017, in Manchester Township, York County, Pennsylvania.

In this 2006 image, astronauts Joan Higginbotham (foreground) and Suni Williams refer to a procedures checklist as they work the controls of the Space Station Remote Manipulator System (SSRMS) or Canadarm2 in the Destiny ...

Peruvian archaeologists discovered an Incan tomb in the north of the country where an elite member of the pre-Columbian empire was buried, one of the investigators announced Friday.

NASA is accelerating plans to return Americans to the Moon, and this time, the US space agency says it will be there to stay.

Astronomers have spent decades looking for something that sounds like it would be hard to miss: about a third of the "normal" matter in the Universe. New results from NASA's Chandra X-ray Observatory may have helped them ...

Impacts from climate change are not always easy to see. But for many local businesses in coastal communities across the United States, the evidence is right outside their doors—or in their parking lots.

In a major analysis of university faculty and students in science, technology, engineering and math, Indiana University social psychologists found that professors' beliefs about intelligence play a measurable role in the ...

Cooperating with other people makes many things easier. However, competition is also a characteristic aspect of our society. In their struggle for contracts and positions, people have to be more successful than their competitors ...

New research has revealed the fascinating adaptation of some Australian sea snakes that helps protect their vulnerable paddle-shaped tails from predators.