A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's ...

In the Arizona desert, a vast glass structure sits far from cities and farmland. It was built to test an idea that once ...

In high enough doses, hydrogen cyanide can kill an adult human in minutes, but the chemical may be the reason why we’re here ...

Earthshine is sunlight that bounces off Earth, travels to the Moon, and then reflects back to our eyes. The Moon essentially ...

Published in the peer-reviewed The Astrophysical Journal, the research focuses on tidally locked planets, worlds that always ...

A bullet-speed experiment reveals that the Earth's inner core may be softer and more dynamic than previously thought.

Falling satellites and large orbital debris create massive sonic booms and scientists are using them to track dangerous space ...

Despite its immaculate reputation, snow isn’t always white. “Most of the time, snow does look white,” says Belles. “But ...

NASA astronaut Sunita Williams shared how seeing Earth from space changed her outlook on life. She said viewing the planet ...

Europe is preparing to take cancer research beyond Earth. At Frontiers Science House in ...

After years of speculation, scientists finally believe they have figured out the crystal conundrum thanks to new imaging from ...

The other two known interstellar comets did not offer such an opportunity.