Three billion years ago, you could have stood on Mars and watched a river spill into a sea. That picture is still speculative ...

America’s loss could be Windsor’s gain.

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

Did Trump just back down on Greenland?

In his landmark book on scientific method, The Structure of Scientific Revolutions, American philosopher Thomas Kuhn 2 outlined how scientists tend to work for long periods within paradigms, or ...

Cheng, R. , Liu, J. , Hao, L. and Wu, D. (2026) On the Application of the Infinitesimal Method to Two Categories of Problems in College Physics. Open Journal of Social Sciences, 14, 378-389. doi: ...

Drawing directly on his Holocaust experience, Nobel Laureate and acclaimed author Elie Wiesel famously said near the end of his life of capital punishment that “ Death should never be the answer in a ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...

A personal commercial (also known as an elevator speech, personal introduction, 30-second commercial, etc.) is a quick, effective way to make an impressive introduction. You will use your personal ...