New findings offer clues about the ancient origins of asteroids and their potential role in the formation of terrestrial ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...

Earliest inner solar system planetesimals shaped the inventory of moderately volatile elements in terrestrial planets.

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

The organic ingredients to life, hints to where Earth’s water came from, and the fundamental building blocks of our planet ...

Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...

NASA's OSIRIS-REx mission discovered molecules vital to life and a history of saltwater on asteroid Bennu. The findings ...

Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over ...