The formation of the solar system is a challenging puzzle for modern astronomy and a terrific tale of extreme forces operating over immense timescales. Let's dig in.

How Did the Solar System Form? The tale of our sun may begin with another star: a predecessor whose fiery death brought about the birth of our solar system.

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

One of the oldest meteorites ever discovered, the 4.6 billion-year-old Erg Chech 002, could reveal vital information about the formation of the solar system.

The solar system as we know it began life as a vast, swirling cloud of gas and dust, twisting through the universe without direction or form. About 4.6 billion years ago, this gigantic cloud was ...

They noted that any larger asteroid formed very early on in the solar system would have been heated to high temperatures by the decay of large amounts of aluminum-26, a radioactive nuclide ...

Two of the most mysterious planets in our solar system are Uranus and Neptune. These planets are also known as ice giants, due to their intermediate-mass and size which suggests an ice-rich ...

Most meteorites are made of tiny beads of glass that date back to the earliest days of the solar system, before the planets were even formed. Scientists with the University of Chicago have published ...

Most meteorites are made of tiny beads of glass that date back to the earliest days of the solar system, before the planets were even formed.

How old rocks tell us new things about Solar System formation Researchers examine meteorites containing material from our Solar System's birth.

“The gas giants must have formed by 4 million years after the formation of the solar system,” Weiss says.