Scientists believe a 13-million-year-old snapping turtle fossil on display at the museum and art gallery of the northern territory is a previously unknown species. It's thought the giant carnivorous ...

At least 10 people are dead and many more injured as several fires broke out across Southern California amid historically dry ...

This video is an interactive lesson in calculating an atom’s mass and atomic number. Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons in shells. The numbers of ...

This video is an interactive lesson in calculating an atom’s mass and atomic number. Atoms consist of a nucleus containing protons and neutrons, surrounded by electrons in shells. The numbers of ...

IN 1940, we prepared the isotope of mass 211 of element 85 by bombarding bismuth with alpha particles accelerated in the 60-in. cyclotron of the Radiation Laboratory of the University of California 1.

IN 1937, Perrier and Segrè showed that radioactive isotopes of element 43 could be formed by neutron or deuteron bombardment of molybdenum 1. Several chemical properties of element 43 were ...

At least 24 people are believed to be dead and many more injured as several fires broke out across Southern California amid ...

If your first reaction when thinking about the periodic table relates to Mr. White’s chemistry class in “Breaking Bad,” let’s ...

The Prime Minister has endorsed the report and said the Government would take forward all 50 recommendations within it.

Revolutionary technology is breaking out of the lab. The British government has announced that it is deploying a top-secret ...

As they studied atomic disintegration, they kept seeing that the atomic number (number of protons in the nucleus, equivalent to the positive charge of the atom) was less than the atomic mass ...