If everything in our solar system formed from the same solar nebula, why do the planets have different compositions? Herbert WichTitusville, Florida To better understand why the planets have variable ...

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

A nebula that neighbors the Milky Way galaxy happens to be a powerhouse of forging stars, "a bouquet of thousands of stars in ...

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 ...

Genesis showed that the Earth and all (rocky) planetary materials are not made out of the average matter of the solar nebula, especially with respect to the abundant volatile elements, McKeegan said.

In a stunning astronomical discovery, the James Webb Space Telescope (JWST) has unveiled a spectacular image of HH 30, a ...

The James Webb Space Telescope has captured an image of HH 30, a young star in the Taurus Molecular Cloud. This star is ...

Centaurus A: NGC 5128 is a galaxy in constellation Centaurus, discovered in 1826 by Scottish astronomer James Dunlop. Messier ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

But in reality, our Solar System’s disk is far from flat ... Our s is thought to have emerged from a nebula—a gargantuan cloud of dust and gas—about 4.6 billion years ago.