Humans will likely go extinct eventually, leaving behind a planet that will have to adjust in their wake. While there is no true consensus as to what a human-free world will look like, there are a ...

In a remote desert, scientists have discovered one of Earth’s oldest asteroid impacts. It dates to well over a billion years ago, to a time when our planet was inhabited solely by single-celled life.

The seas have long sustained human life, but a new UC Santa Barbara study shows that rising climate and human pressures are pushing the oceans toward a dangerous threshold. Vast and powerful, the ...

SAN DIEGO — A new study from UC Santa Barbara is sounding the alarm on how human activity is accelerating changes in the world’s oceans — and warns that, without intervention, the damage could more ...

An asteroid which risks colliding with the moon in just years could produce "the most energetic lunar impact event ever recorded in human history", scientists say. Asteroid 2024 YR4, which at one ...