The periodic table of elements—also known as Mendeleev’s table—was developed in 1869 by Russian chemist Dmitri Mendeleev. It organizes all known chemical elements by their atomic number ...

Consider the highly dangerous and potentially lethal consequences of ingesting trace amounts of every element on the periodic table.

The periodic table is an arrangement of all the known elements, from hydrogen to oganesson. While collecting the whole lot (even if some only last for microseconds before decaying) may seem like a ...

Particle-accelerator study focuses on the r-process thought to be responsible for forming elements heavier than iron ...

The story of the last element to be discovered out of the first 92 catalogued in the periodic table is told by Eric Scerri, who reminds us that technetium can be found a little closer to home than ...

1. Periodic Table as Arranged by Mendelejeff attention to the fact that “the eighth element, starting from a given one, is a kind of repetition of the first, like the eighth note of an octave in ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Beijing’s ban on exporting six valuable minerals highlights America’s reliance on China for many raw materials that ...

MP Materials moves up after the Financial Times reported that President Trump is set to issue an executive order allowing the ...

Johnson with ADPH said moderation is key, along with following the CDC’s guidelines of 0.7 parts per million.

Lawmaker Al Carns and three ex-special forces pals want to summit the world's tallest mountain just four days after leaving ...