Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...

For years, planetary scientists have argued that some of the material that built Earth must have drifted in from beyond ...

With a diameter of 88,846 miles at its equator, Jupiter is the biggest planet in our solar system. It’s eleven times larger than Earth, so big in fact that its gravitational forces are thought to be ...

The chemical composition of meteorites and asteroids acts as a kind of fingerprint, providing information about the origin of ...

This is HOPS-315, a baby star where astronomers have observed evidence for the earliest stages of planet formation. The image was taken with the Atacama Large Millimeter/submillimeter Array (ALMA). In ...

As the number of exoplanet detections has breached 6,000 and continues to grow, scientists are finding a wide variety of ...

For many years, scientists believed that Earth was built from a mix of materials coming from both the inner and outer parts ...

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 ...

For the first time, international researchers have pinpointed the moment when planets began to form around a star beyond the sun. Using the ALMA telescope, in which the European Southern Observatory ...

Earth likely formed from inner Solar System material alone, raising fresh questions about the origin of water on our planet.