Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in space? And, either... Comets, asteroids, and planets: The likely origins ...

Scientists from the Southwest Research Institute have found strong evidence that near-Earth asteroids Bennu and Ryugu share a common origin with Polana, a much larger asteroid in the main belt. By ...

Samples collected by China’s Chang’e-6 mission from the Moon’s far side have unveiled moon dust containing a rare pre-solar system rock fragment with water. This discovery suggests that asteroids may ...

Measuring around 41 feet in diameter, the asteroid is speeding towards our planet at more than 38,500 miles per hour.

(Nanowerk News) Fluids may have flowed within the parent body of the near-Earth asteroid Ryugu more than one billion years after it formed, according to research published in Nature ("Late fluid flow ...

Hit-and-run collisions between embryonic planets during a critical period in the early history of the Solar System may account for some previously unexplained properties of planets, asteroids, and ...

This animation shows how an asteroid would appear during different phases depending on its location relative to the Sun, similar to how the Moon has phases. Approximately 4.6 billion years ago our ...

The moon is pummeled by asteroids nearly every day, creating new craters constantly that can range from a few feet to many miles across. The asteroid impacts, when they’re large enough, create flashes ...