Asteroids would’ve supplied the raw materials, heat, and geologic plumbing to circulate prebiotic matter while also creating ...

A new study led by researchers at the Earth-Life Science Institute (ELSI) at Institute of Science Tokyo challenges a long-standing assumption about Earth's most extreme ice ages. Using numerical ...

The satellite, launched 14 years ago, will make an uncontrolled re-entry Tuesday evening. NASA puts the risk of harm to anyone on Earth at "approximately 1 in 4,200." ...

Planet Earth is spinning a little faster today — resulting in one of the shortest days of the year. But the change will be so minuscule you won’t even notice. We’re talking even less time than the ...

Tiny life forms tucked into debris from an asteroid hit could catapult to other planets—including Earth—and survive, a new ...

Finding Earth-like planets orbiting sun-like stars and identifying signs of life such as oxygen or water is a major goal in ...

In the 20th century, scientists began to suspect Earth was a lot older than we thought. It was our old friends/deadly foes, ...

Deep within Earth’s mantle lie two enormous regions, often referred to as "islands," which are the size of continents.

Astronomers believe they have uncovered evidence of a previously unknown ninth planet lurking in the not-too-distant reaches of the solar system. This hypothetical world, dubbed "Planet Y," could be ...

— -- Astronomers on Monday reported the discovery of an Earth-like planet outside the solar system whose size and distance from its own star put it in the "habitable" zone and make for a surface ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...