Memorial Day poppies appear every year and raise funds for a great cause. But what is the history behind wearing one of these red flowers?

Twitter CEO Elon Musk said the social media platform is capping the number of tweets users can view — saying the unusual measure was needed to fight off companies that scrape Twitter for data.

The symbol Hg that mercury is known by comes from its Greek name, hydrargyrum, which means "liquid silver" — to reflect its shiny surface. The element is also known as quicksilver for its ...

The biopic director argues that the physicist who oversaw creation of the atomic bomb was both the most important person who ever lived and hopelessly naïve.

The watermelon symbol has roots in Israel’s suppression of the Palestinian flag in Gaza and the West Bank, said Sascha Crasnow, a scholar of Palestinian art and a lecturer of Islamic arts in the ...

How do the Chinese carriers stack up against their American counterparts? What will happen if China invades Taiwan, and why is the United States not afraid of Chinese aircraft carriers? 00:00 The ...

The Seven Most Amazing Discoveries We’ve Made by Exploring Mercury Only two robotic missions have made it to the Swift Planet, but they were crucial for upending many false assumptions of that ...

A table of the chemical elements arranged in order of atomic number, usually in rows, so that elements with similar atomic structure (and hence similar chemical properties) appear in vertical columns.

VIENNA, June 12 (Reuters) - The U.N. nuclear watchdog's 35-nation Board of Governors declared Iran in breach of its non-proliferation obligations on Thursday for the first time in almost 20 years ...