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

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

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

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 ...

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

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

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

Although the chances of impact are slim, Bennu is still one of the most potentially hazardous known asteroids in our solar ...

Researchers have pioneered an innovative method using helioseismology to measure the solar radiative opacity under extreme ...

Material retrieved from the asteroid Bennu by NASA’s OSIRIS-REx spacecraft shows that all the basic building blocks of life ...

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative ... contributed material to the terrestrial planets." ...