The rocky object called Bennu is classified as a near-Earth asteroid, currently making its closest approach to Earth every ...

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...

Near-Earth asteroid Bennu has a slim chance of colliding with Earth in 2182. If it does, the impact could trigger a global ...

Scientist have concluded water did not arrive as early during Earth's formation as previously thought, an insight that bears directly on the question of when life originated on the planet. The finding ...

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary formation processes ...

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

NASA's James Webb Space Telescope has been used to shed new light on the exoplanet, GJ 1214 b, which is more than eight times ...

New assessment warns area the size of the USA will become too hot during extreme heat events for even healthy young humans to maintain a safe body temperature if we hit 2 degrees Celsuis above ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Like most of us ...

A mysterious radio signal from a distant planet has sparked excitement among astronomers, hinting at the tantalizing possibility of extraterrestrial life.

For Americans, news of a record warm January might seem odd given how cold it was. But the U.S. is just a tiny fraction of ...