Scientists have long debated why Earth and Mars lack certain essential elements. A new study reveals that these missing ...

Artist rendition of the protosun and the solar nebula. Oxygen isotopes can be altered by ultraviolet light (gold arrows) in this environment as well. Short-lived radiogenic isotopes of aluminum ...

Understanding where Earth's essential elements came from—and why some are missing—has long puzzled scientists. Now, a new ...

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary ...

Discover how a giant interstellar cloud known as the solar nebula gave birth to our solar system and everything in it. The solar system as we know it began life as a vast, swirling cloud of gas and ...

“Asteroids are leftovers from the planetary formation process, so their compositions vary depending on where they formed in the solar nebula,” said Dr. Anicia Arredondo, co-author from the ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...

This first-order model of planetary growth in the solar nebula is mainly driven by temperature and density variation, but there are many other factors that contributed as well, such as planet ...

We are staring "right down the barrel of it, which is really quite surprising to me — we're just lucky." One of the most photographed objects in the night sky is the Ring Nebula, wreckage of a ...

The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...