Scientists found that asteroid Bennu contained a set of salty mineral deposits that formed in an exact sequence when a brine evaporated, leaving clues about the type of water that flowed billions of ...

While space harbors plenty of mysteries, it turns out that Uranus' smell isn't one of them. Here's the explanation for why it ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Berkeley Lab’s Advanced Light Source and Molecular Foundry provided powerful tools to study asteroid samples returned by NASA ...

A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only the second human survey of our solar system's innermost planet.

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Those eternally dark areas are some of the coldest places in the solar system, despite the fact that Mercury is the closest planet to the sun. Previous observations suggested that these permanent ...

It also is the coldest planet in our solar system, with temperatures reaching -370°F. Most of Uranus's matter is icy. Uranus has 28 known moons, including Miranda, Ariel, Umbriel, Titania ...

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

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

These embryos, somewhere between small planetesimals and fully formed planets, were abundant during the solar system's formative stages and played a critical role in planetary formation.

The flyby began on the planet's frigid night side ... the permanently shaded floors of these craters are among the coldest locations in the solar system. Images two and three were captured ...