The precise chemical composition of the Sun, particularly the abundance of heavy elements like oxygen, carbon, nitrogen, and neon relative to hydrogen, remains a significant point of contention in ...

Approximate true color image of comet 67P taken by the Rosetta spacecraft's OSIRIS Narrow Angle Camera on March 17, 2015. This image is a four frame mosaic, with each color frame imaged through ...

Oxygen traditionally was not supposed to be formed in the early universe, especially after the Big Bang, but now a shocking ...

You may have noticed that the rock formations are very different colors. The rock formations on the left are from Red Rock State Park in Texas, and on the right is El Capitan Mountain in Yosemite ...

If you were to take every element in the periodic table and order them by how abundant they are in the Universe, you'd find something a little bit surprising. The most common element is hydrogen, ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Exoplanet hunters can determine a remarkable amount of information about distant worlds by ...

As astronomers gaze into the depths of space, they do so with unease: They don’t know precisely what the universe is made of. It’s not just the true nature of dark matter that eludes them; so does the ...