Nuclear fission – the physical process by which very large atoms like uranium split into pairs of smaller atoms – is what ...

An air contrast barium enema is a test for your colon. These days, doctors don’t use it as often to look for colorectal cancer. Instead, it’s more common to get a colonoscopy, which can find ...

“Only very simple nuclei survived the Big Bang – hydrogen, helium, lithium and trace amounts of barium and boron ... expel more than 10 times the mass of the Sun worth of metal when ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...

This coming Advent, Catholics throughout the English-speaking world will begin using a new translation for the prayers that we say in the Mass. This new, third edition of the Roman Missal is the ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...

Mass spectrometry is an analytical technique that uses an instrument called a mass spectrometer to measure the mass-to-charge ratios of molecular ions. Molecules fragment within the mass ...

“Only very simple nuclei survived the Big Bang—hydrogen, helium, lithium, and trace amounts of barium and boron ... a 13-solar-mass star and a behemoth 200-solar-mass star.

The lighter elements that did make it were hydrogen (one component of water), helium, lithium, and scant traces of barium and boron ... Found 300 Intermediate-Mass Black Holes Scientists Now ...

School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, China ...