Earth and environmental sciences cover all aspects of Earth and planetary sciences, and broadly encompasses solid Earth processes, surface and atmospheric dynamics, Earth system history, climate and ...

Psychology is a scientific discipline that focuses on understanding mental functions and the behaviour of individuals and groups. The accuracy of eyewitness evidence is questioned, and a fossil ...

January 20, 2026 • In early January, President Donald Trump signed an executive order threatening bans on defense contractors paying dividends or buying their stock back. January 17, 2026 • Prediction ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...