In the distant reaches of the solar system are many icy objects that resemble snowmen. Now, a new study reveals the simple ...
Deep within the Kuiper belt, some small worlds look like they were assembled from two mismatched snowballs pressed together.
A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.
New work from Carnegie’s Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system. It is ...
CREDIT: ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of ...
Active small bodies—including comets, active asteroids, icy minor planets, and transitional objects—occupy a unique position in planetary science. As ...
What can a newly discovered interstellar comet teach scientists about solar system formation and evolution? This is what a recent study presented at the National Astronomy Meeting 2025 hopes to ...
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.