Add Yahoo as a preferred source to see more of our stories on Google. You may have heard a lot of online chatter about Earth's two moons recently, but that doesn't quite get the discovery right. Earth ...

Earth Day began in 1970. Earth Day was first celebrated in 1970, during a time when pollution and environmental damage were largely ignored. Inspired by growing public concern and ...

Add Yahoo as a preferred source to see more of our stories on Google. Earth's magnetic field is like an invisible shield that protects our planet from solar and cosmic radiation. While it might not be ...

Extraterrestrials have issued a stark warning to mankind that we risk annihilating our planet in a stunning UFO revelation, which researchers are hailing as "first contact." The ominous alert from ...

A new analysis of meteorite isotopes challenges long-held ideas about Earth’s origins, suggesting our planet may have formed ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. New research shows that rising sea levels caused by melting ice sheets are redistributing mass across the planet, ...

Researchers are learning details about asteroid impacts going back to the Earth's early history by using a new method for extracting precise information from tiny "spherules" embedded in layers of ...

Amid the cold silence of the main belt, a giant rock drifts through space. It has existed for billions of years unchanged, but today, it will be irrevocably broken. Another rocky object hurtles toward ...

Our planet is a cosmic marvel spinning through space at incredible speeds, harboring an estimated 8.7 million species, and maintaining the perfect conditions for life as we know it. Yet despite living ...

When you think about our origin story, and of our planet -- among all of the planets in the cosmos -- there is a deep ...