More than 150 moons orbit worlds in our solar system. Known as natural satellites, they orbit planets, dwarf planets, asteroids, and other debris. Among the planets, moons are more common in the ...

These ancient swarms, which orbit the sun alongside the giant planet, may hold clues to the solar system’s original layout. Photograph by PATRICK H. CORKERY, LOCKHEED MARTIN Launched in 2016 ...

Astronomers anticipate a significant leap in our understanding of the solar system later this year, thanks to a powerful new observatory in Chile. Millions of previously unseen asteroids, comets, and ...

This is similar to the region between Jupiter and Uranus in our solar system. After forming, the planet likely moved much closer to its star over time. The presence of silicon monoxide is also ...

Rubin Observatory in Chile will revolutionise the world’s knowledge of the solar system’s “small bodies”: asteroids, comets and other minor planets. At the heart of the Rubin Observatory ...

The NSF–DOE Vera C. Rubin Observatory is set to revolutionize our knowledge of the solar system’s “small bodies” - asteroids, comets, and other minor planets. At the heart of the Rubin Observatory is ...

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar system ... Although the planet itself won't be habitable because it ...

2017 OF201 is incredibly lightweight on a cosmic scale. Scientists estimate its mass is about 20,000 times less than Earth's and 50 times less than Pluto's. Listen to Story It shares some similarities ...

As NASA rolls out more powerful telescopes in the future, scientists will need a way to determine where to point them. A new ...