A new theory suggests windows of opportunity, not a series of improbable events may have helped humans gain a foothold in the ...

The surface of our Earth is wriggling with life: it's the defining feature of our planet, which, far as we know, makes it ...

Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...

Scientists at Yale and in Singapore have devised what may be the ultimate acid test—a comprehensive model for estimating the ...

YR4 has a 2% chance of hitting Earth in 2032. Astronomers are tracking it to refine estimates of its size and orbit to see how much of a risk the space rock poses.

Humanity may not be extraordinary but rather the natural evolutionary outcome for our planet and likely others, according to a new model for how intelligent life developed on Earth.

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 ...

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