As a mathematician—and given the recent buzz over UFO disclosures—I find myself entertained by a specific hypothetical: If a ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Khadija Khartit is a strategy, investment, and funding expert, and an educator of fintech ...

Physicists may have just cracked open a hidden side of the quantum world. For decades, every known particle was thought to ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, ...

Anna Nordseth is an ecology writer and Duke University Ph.D. candidate specializing in tropical forest ecology, conservation research, and biodiversity. Boreal forests, or taiga, are found between 50 ...

Common types of colds include rhinovirus, coronaviruses, and human parainfluenza virus. Tests can determine the cause of your cold, but it's usually not necessary. Covering coughs and sneezes and ...