The leading explanation for all of these mysteries is known as the giant impact hypothesis. According to this story, when the solar system was just getting started, a Mars-size protoplanet named Theia ...

The Perseids, the year's most popular meteor shower, will soon peak, but August's full moon could impact viewing. Here's what ...

Over the last 290 million years, asteroid collisions with Earth and the moon have increased as many as three times, according to a new study published Thursday in the journal Science. And while ...

The moon's thin atmosphere, called an exosphere, has been a puzzle to science for some time. Two main processes were thought ...

If the moon sat through a hailstorm of impacts, Earth should have experienced the same storm, and therefore the same rate of cratering, the researchers argue in the Jan. 18 Science.

The moon China's Chang'e 6 lunar samples suggest our moon is debris from an ancient Earth impact. Solar System A whole 'population' of minimoons may be lurking near Earth, researchers say .

The moon may have formed in the aftermath of a massive Earth-vaporizing collision that could have created something called a synestia, according to a new study. Business Insider Subscribe Newsletters ...

If the Earth's surface was molten rock, an impact could form the Earth-Moon system. John Timmer - Apr 30, 2019 4:25 pm UTC Enlarge / An early version of the collision model, showing a head-on impact.

The new, multiple-impact hypothesis suggests that about 20 moon- to Mars-size objects struck the Earth, flinging debris from the planet into orbit. There, the debris formed disks around the Earth ...

Dubbed the 2024 PT5, the 'mini-moon' will orbit Earth for nearly two months. It comes in a season of lunar phenomena. What you need to know about Earth's new, temporary mini-moon - Los Angeles Times ...

Over the last 290 million years, asteroid collisions with Earth and the moon have increased as many as three times, according to a new study published Thursday in the journal Science. And while ...