The Earth started as a mixture of gas and dust around the Sun and grew as it collided with asteroids and dust particles.

From solar probes to deep space missions, these record-breaking human-made objects reached speeds that make bullets and jets ...

There's still one such ring around the Sun – it's called the asteroid belt and lies between Mars and Jupiter, with the Sun's gravity holding the rocks in orbit. The solar system that includes ...

An alternate explanation that fits the evidence is that Vesta was once part of a planet – but which planet that might been ...

"We're studying the leftover raw materials from the formation of the planets and trying to understand the history that made ...

To understand how chaotic the early solar system was, we need only gaze at the moon. Its cratered surface bears the scars of ...

NASA is also tracking two other asteroids near Earth today, including a larger bus-sized one called "2025 HR1" that's ...

So scientists have had to look at what the Earth looks like now and at all of the other planets, moons and debris in the solar system ... today began as similar rings of space debris.