Lying between Mars and Jupiter is a massive ring of rock debris—the asteroid belt. Now thin, it’s fading away gradually.

A recent analysis of lunar samples reveals profound differences between its two sides, suggesting that the Moon's interior is not as uniform as previously thought. The Chinese Chang'e 6 mission ...

"It was just a matter of time before we found them." ...

About 4. 6 billion years ago, the Solar System formed from a cloud of dust and gas collapsing in on itself due to gravity.