The energy state of an atom is denoted by its principal quantum number, designated n, which defines the probability of ...

The administration is forcing National Park Service staff to censor everything from climate science at Glacier to the ...

“Our results push back the association of T. pallidum with humans by thousands of years, possibly more than 10,000 years ago ...

Visitors can wander through halls filled with dinosaur fossils, mounted mammals, minerals and global wildlife specimens.

Science occasionally gives us clearer views of the distant past. This year, researchers opened windows into the life and times of ancient Romans, impressionist painters and other towering historical ...

Over 40 years, experimenters watched as hundreds of Black Americans went blind, suffered from organ failure, and died of a ...

On Oct. 3, 1950, three scientists at Bell Labs in New Jersey received a U.S. patent for what would become one of the most important inventions of the 20th century — the transistor. John Bardeen, ...

An exhibit at Philadelphia's Science History Institute looks at food science through the lens of the school lunch program. (Emma Lee/WHYY) From Philly and the Pa. suburbs to South Jersey and Delaware, ...

Some moments in history make you wonder whether the universe is just playing tricks on us. There are events so bizarre, so perfectly timed, that even the most skeptical scientists find themselves ...

Students learned that the history of the Siberian Husky spans back nearly 8,000 years, and that a century ago, huskies were ...