We usually think of our Solar System as a calm, well-organized family of planets, but a new study suggests its early days may ...

(Ianm35/iStock/Getty Images Plus) The Solar System is one of the comforting constants of human existence. No matter what else ...

One Friday evening in 1992, a meteorite ended a more than 150 million-mile journey by smashing into the trunk of a red Chevrolet Malibu in Peekskill, New York. The car’s owner reported that the ...

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of multitudes of collisions. The early solar system was like a debris field ...

A new study shows a deep connection between some of the largest, most energetic events in the universe and much smaller, weaker ones powered by our own Sun. The results come from a long observation ...

An asteroid belt orbits a star in this artist's rendering. (NASA/JPL-Caltech) (CN) — Astronomers with John Hopkins University announced Monday that they had detected what could be asteroid collisions ...

In the crowded early Solar System, young planets frequently collided and reshaped each other. But Mercury stood out. It formed unusually close to the Sun. Mercury’s days are longer than its years. It ...

A rare meteorite found in the Sahara Desert has revealed evidence of a giant ancient world that once existed in our solar ...