Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...

In many submerged regions, murky mud shelters strange life-forms that seem to be the key to one of the biggest mysteries of life on Earth. These creatures belong to a domain of life called the archaea ...

The Chicago Manual of Style is an American English style guide published by the University of Chicago Press. The Manual’s guidelines for publishing, style and usage, and citations and indexes—known as ...

The average temperature of the Earth is rising at nearly twice the rate it was 50 years ago. This rapid warming trend cannot be explained by natural cycles alone, scientists have concluded. The only ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Robert Kelly is managing director of XTS Energy LLC, and has more than three ...

Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has ...

The Matrix collection depicts a complex science fiction story incorporating many philosophical elements. Written and directed by the Wachowskis and produced by Joel Silver.