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

NASA’s newly launched IMAP mission is set to tell us more about the boundary between our Solar System and interstellar space ...

A long-standing idea in planetary science is that water-rich meteorites arriving late in Earth’s history could have delivered ...

For a long time, scientists assumed that Earth's water was delivered by asteroids and comets billions of years ago. This coincided with the Late Heavy Bombardment (ca. 4.1 to 3.8 billion years ago), a ...

“Ingredients” of impactor: In the current issue of the journal Science, researchers determine the possible composition of Theia. Search for birthplace: The impactor’s composition allows conclusions ...

Even by the standards of the Space Race, the idea seemed bold, maybe a bit crazy. In 1968, before the first human set foot on the moon, an engineer working on one of the Apollo mission’s experiments ...

Illustration comparing the planets of the Solar System and the Sun on the same scale. The planets are shown to scale relative to each other but their distances are not. From left to right the bodies ...

Our solar system consists of the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune, as well as countless asteroids and comets, that are gravitationally bound to the Sun.

Facts About the Solar System: The solar system is a collection of celestial bodies held together by the sun's gravitational pull. Our solar system is located in the Milky Way galaxy. The solar system ...