How Big Can a Planet Get Without Becoming a Star? JWST Data Solves 20-Year Mystery of Rule Breaking Exoplanets
One way gas giants form is through core accretion, where solid cores gradually grow in a disk by…
New simulations reveal the hidden forces shaping ‘snowman’ worlds beyond Neptune
On a frigid orbit beyond Neptune, some of the solar system’s smallest worlds project a strange silhouette. Two…
Two collisions, one star, and a new view of planet formation
When you look up at the night sky, planets seem calm and fixed. But a new study shows…
A Soft Collision in the Early Solar System May Explain Mercury’s Giant Metal Heart
In the crowded early Solar System, young planets frequently collided and reshaped each other. But Mercury stood out.…
Turns Out Cosmic Dust Isn’t Actually Miniature Rocks After All
Featured in this image from the NASA/ESA Hubble Space Telescope is a lenticular galaxy called NGC 4753 with…