Astronomers have witnessed the creation of a solar system for the first time. Data captured by the ALMA telescope in Chile and the James Webb Space Telescope showed planets forming around a star ...

Posted: March 22, 2025 | Last updated: March 22, 2025 "The Solar Family" is an 11-minute educational film produced by Encyclopedia Britannica Films in 1936.

Over time, these newly condensed solids bind together, sowing the seeds for planet formation as they gain both size and mass. The first kilometer-sized planetesimals in the solar system, which ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

The birth of a new solar system may have been caught on camera. About 1,400 light-years from Earth sits a young sunlike star surrounded by cooling gas and teensy silicate minerals.