Solar System
Latest about Solar System
The planets are prepping for an epic alignment. Here's how to see it shape up.
By Stephanie Pappas published
The five naked-eye planets in the solar system will line up across the predawn sky this spring and summer. Here's how to watch.
The Goldilocks zone: The place in a solar system that's just right
By Andrew May published
Reference Discover how finding this habitable zone is essential to uncovered life on other worlds
Planet Nine is still missing in action after survey of 87% of the Southern Sky
By Brandon Specktor published
Astronomers failed to find any evidence of the elusive Planet Nine in a survey of 87% of the Southern sky
The sun: Facts about the bright star at the center of the solar system
By Robert Lea published
Reference The sun is the solar system's central star and enables all life on Earth to exist and flourish.
Exoplanets: Alien worlds beyond our solar system
By Robert Lea published
Reference As long as humanity has been gazing at the stars we have dreamed about life on other worlds, now known as exoplanets.
The solar system: Facts about our cosmic neighborhood
By Sarah Wild, Adam Mann published
Take a journey through our solar system, including a stop at the non-planet Pluto.
What's the maximum number of planets that could orbit the sun?
By Harry Baker published
If a super-advanced civilization had to ability to engineer the solar system from scratch, how many planets could they squeeze around the sun?
Largest comet ever observed bumps Hale-Bopp from pedestal
By Stephanie Pappas published
The Bernardinelli-Bernstein comet is officially the largest ever observed, according to new measurements.
Sign up for the Live Science daily newsletter now
Get the world’s most fascinating discoveries delivered straight to your inbox.