Earlier research held that meteorite impacts from the solar system's early days were a major source of Earth's water.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An unusual asteroid ...

Although last year’s inclement weather resulted in fewer Antarctic meteorite recoveries than usual, scientists have recently discovered that one of the specimens is a rare breed — a type of lunar ...

Scientists have pinpointed the source of a meteorite from the moon for the first time. Their unique meteorite records four separate lunar impacts. They are the first to precisely date Mare Imbrium, ...

Image of the Northest Africa 16286 sample obtained using a scanning electron microscope. These are what’s referred to as “backscattered electron images”, and the different shades of grey highlight ...

The moon may not have any breathable air, but that doesn't mean it has no atmosphere. Astronomers have for decades been aware of the delicate atmosphere surrounding the moon that is so thin and ...

Astronaut Buzz Aldrin, as photographed by Neil Armstrong on the surface of the moon during the Apollo 11 mission in 1969. Researchers looked at lunar soil samples collected during the Apollo missions ...

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the very early Solar System formation. Matching this.

Late in 2024, astronomers spotted a new near-Earth asteroid named 2024 YR4. By mid-2025, its improved orbit tracking raised an unusual possibility: the space rock could hit the Moon on Dec.

Unlike Earth’s life-sustaining blanket of air, the Moon has but a thin wisp of an atmosphere. Now, a new study using samples retrieved by the Apollo missions more than 50 years ago is helping ...

Imagine walking across your field, picking up rocks like you've done a thousand times before, when suddenly you're holding a piece of space itself. Maybe it's been sitting there for centuries.Or maybe ...