THE question of the origin of the solar system is one that has been a source ... to the standard forms of Laplace's hypothesis, and its history would serve as a hypothesis intermediate between ...

For about 4.5 billion years, our planet has circled the sun on a stable, rhythmic path. Each of Earth's orbits takes ...

A new study from Monash University scientists suggests that Earth may have had a ring system that formed around 466 million ...

The asteroid impact in Mexico left deposits similar to those made by other asteroids from the outer solar system.

Using the Subaru Telescope, astronomers have identified previously unknown celestial bodies in the outer Solar System, ...

Scientists thought it might be nothing more than a hunk of rock on the outskirts of the solar system. But when NASA's New Horizons mission performed history's first flyby of the Pluto system on ...

Many of the asteroids in the solar system melted early on in their history to form an iron core and rocky mantle. During melting the heavier material, metal, sinks to the centre while the lighter rock ...

But arguably, it's the ugly duckling, ancient asteroids that are providing us with a better understanding of how our solar system evolved from a monstrosity of gas and dust into the protosolar ...

A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

There have been five spacecraft that have flown to the outer solar system (including New Horizons), but New Horizons is the ...

Astronomers have observed three types of black holes in the universe. Stellar-mass black holes formed from the collapse of a ...

They differ in their amount of iron-nickel metal and what they reveal about the early solar system. Most iron meteorites are thought to be the cores of asteroids that melted early in their history.