A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.
A team of astronomers has identified a four-planet system orbiting the red dwarf star LHS 1903 that defies conventional ...
The boundary of the Solar System remains somewhat poorly understood. We know we are within it, in a region of space called the heliosphere, where particles released by the Sun dominate. Beyond it, the ...
Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
Our solar system is a weird place. Much more than a home to eight planets, it’s filled with a myriad of fascinating other smaller bodies, including moons, asteroids, and comets. In recent decades, ...
Meet the surprising, oddball worlds moving around our solar system. From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...