A new study has backed a theory our solar system's formation was triggered by a shock wave from an exploding supernova. The shock wave injected material from the exploding star into a neighboring ...

A new study could shake up our understanding of how Earth and the other planets in our solar system formed. While scientists have widely accepted the idea that the planets formed from rocky asteroids, ...

Our Sun may once have had a twin companion, astronomers have suggested – like the “binary” stars of Tattooine in Star Wars. Harvard researchers have said another sun was present as the solar system ...

Graphic taken from a simulation which shows how bubbles form over the course of 4.7 million years around a Wolf-Rayet star. V. Dwarkadas/D. Rosenberg The question of how exactly our solar system ...

A star some 450 light years away was found to have dust and gas rings It led scientists to revisit a solar system formation theory from the 1700s The study opened new possibilities for astronomers to ...

Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission ...

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Scientists have captured the birth of a new solar system for the very first time. These incredible images reveal the exact moment when planets began to form around a star 1,300 light-years from Earth.

The solar system could be almost two million years older than previously thought, scientists have discovered using evidence from one of the oldest meteorites. By Andrew Hough 23 August 2010 • 7:00am ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...