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

Opinions expressed by Forbes Contributors are their own. Jamie Carter is an award-winning reporter who covers the night sky. Computer simulations suggest that there is an undiscovered Earth-like ...

The Sun is the largest object in the Solar System. The Sun’s huge gravitational ... In general, as the distance from the Sun increases: the temperature decreases, for example, Mercury is 430 ...

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

W hen two probes orbiting the sun aligned with one another, researchers harnessed the opportunity to track the sun's magnetic field as it traveled into the solar system. They found that the ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

There are many comets in the outer solar system. Comets are icy objects, which orbit the sun at very large distances. Halley's Comet is a very famous comet that was first recorded as being visible ...

roughly the average distance from Earth to the sun.) Although most simulations created conditions very unlike the current solar system, the researchers found that in approximately 1% of the ...