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…
Theia, the planet at the origin of the Moon, may have formed close to the Sun
If the Moon is the natural satellite of the Earth, this has not always been the case. Indeed,…
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…