Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

One is the plethora of guns, including assault rifles, that keep the gun death rates in the U.S. so far above other developed ...

Hanging Out With the Queen Queen Elizabeth II was known for her commanding presence and severe demeanor, so it's rare to see ...

It started with a melting glacier, which set off a landslide, which triggered a 650-foot high mega-tsunami in Greenland. Then ...

A newly discovered doughnut shape in Earth's outer core may reveal elements that help drive the formation of the planet's ...

Earth and Saturn might be a lot more similar than previously thought. In a new study, a team of researchers suggests that 466 ...

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

Researchers have found evidence suggesting that our planet may have once had a ring system around 466 million years ago.

NASA's Curiosity rover has captured a spectacular sight from the surface of Mars: The first-ever photo of Earth alongside the ...

As the asteroid passed within Earth’s Roche limit, it broke apart due to tidal forces, forming a debris ring around the planet—similar to the rings seen around Saturn and other gas giants today. “Over ...

Earth may have had a giant ring of space rocks surrounding it, similar to those around Saturn, which could have led to ...

In a star system 508 light-years from Earth, the researchers found conditions that support an alternative “top down” approach to planet formation, in which the fertile material circling a ...