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 ...

which traps so much heat around the planet that its surface can reach 900 F (482 C). On Mercury, the hot days are also incredibly long. Because Mercury rotates so slowly — once every 58 Earth ...

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

Scientists have confirmed the discovery of a new planet which is six times as large as the Earth and could host alien life. The new planet, with a mass six times that of Earth's, orbits a star ...

Bennu has a diameter of roughly 500 meters (1,640 feet) and has a 1 in 2,700 chance of hitting our planet in September 2182.

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 ...

By Robin George Andrews Robin George Andrews has written a book about the science of planetary ... after a close approach to Earth. It’s now speeding away from the planet and getting fainter ...

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