In 1887, one of the most important experiments in the history of physics took place. American scientists Michelson and Morley ...

Time is not absolute, with gravity and velocity affecting how fast it passes, making clocks at different heights or near ...

Forward P/E uses future earnings estimates and can be affected by forecast changes. Trailing P/E is based on past performance, making it more objective but less predictive. Comparing both forward and ...

Kristin is a lead editor at Forbes Home and has nearly a decade of professional experience as a writer and editor. She's previously worked at sites like Talking Points Memo, Insider, Delish, Angi and ...