Ancient stars located surprisingly near to our sun formed less than a billion years after the Big Bang — suggesting part of the Milky Way is much older than previously thought, a study has found.

Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

The Solar System was formed around 4.6 billion years ago from ... to heat and radiation pressure from the fusion reactions. The Sun is expected to be a main sequence star for billions of years.

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

Findings from missions like Rosetta, Hayabusa2, and Osiris-Rex reveal that these compounds existed long before the Sun formed. Scientists believe organic molecules survived planetary formation in ...