Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Marguerita is a Certified Financial Planner ...

Trump cited Harley Davidson as an example, saying the company struggled to sell motorcycles in India because of a 200% tariff. (Image: Reuters) US President Donald Trump has ruled out reducing the ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Jared Ecker is a researcher and fact-checker. He possesses over a decade of experience in ...

Find out what's up in your night sky during September 2025 and how to see it in this Space.com stargazing guide. Looking for a telescope for the next night sky event? We recommend the Celestron ...

Common mental health conditions include anxiety disorders, depression, bipolar disorder, eating disorders, post-traumatic stress disorder, schizophrenia, personality disorders, and neurodevelopmental ...

2021 marks the 20th anniversary of the September 11th attacks. Often referred to as 9/11, the events of this day in 2001 permanently altered history. Nearly 3,000 people died as the result of a group ...

It’s mutualism we’ll mostly look at today. Two types of mutualism occur in animal relationships. Obligate mutualism is when both species depend on the interaction for survival. Facultative mutualism ...