Beyond Pluto lies a collection of frozen worlds that challenge traditional ideas of what planets should be. This episode ...
Scientists say a nearby red dwarf star hosts a planetary lineup that looks like a mirror image of our own solar system, with ...
Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that ...
Scientists have been trying to find a hypothetical Planet 9 that may exist outside our known solar system based on the unusual orbits of certain dwarf planets. But those orbits might not require a ...
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
From meteorites that impact Earth, to a moon that orbits backwards... From meteorites that impact Earth, to a moon that orbits backwards, to an imposter lurking in the asteroid belt, a variety of ...
A mind-bending hypothesis is gaining traction among scientists: The universe may be teeming with microscopic black holes the size of an atom, but with the mass of a city-sized asteroid. Created just a ...