New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

Astronomers have witnessed the birth of a solar system beyond our own for the first time. An international team of researchers has been able to pinpoint the exact moment when planets began to form ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system. See the story in the ...

In the past two years, without much notice, solar power has begun to truly transform the world’s energy system.

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

Planets form out of the leftover gas and dust once a star has ignited, and it's believed that the forming planet or planets create a disk around the host star. While astronomers have seen this ...