At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

Chemistry in the first 50 million to 100 million years after the Big Bang may have been more active than we expected.

Astronomers studying how elements heavier than iron were produced in the early Milky Way have identified a distinct series of epochs of galaxy-wide chemical formation. This evolutionary timeline, ...

Cecilia Payne-Gaposchkin discovered the composition of stars at the age of 25: hydrogen, helium, and traces of nearly all other elements. Her 1925 discovery was one of the earliest successful attempts ...

The James Webb Space Telescope caught the birth of an enormous star with particle beams cutting across a stretch of ...

"This is probably the first time these isotopes have existed on the surface of the Earth." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Giant flares blasted out of supermagnetized stars called "magnetars" could forge planets' worth of gold and other heavy elements such as platinum and uranium. This is the conclusion of an ...

Luke Keller does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...