Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Suzanne is a content marketer, writer, and ...

This year is the halfway point in the implementation of the 2030 Agenda for Sustainable Development. A global pandemic, conflicts, disasters and other crises have set back progress towards the ...

Capturing the first image of a supermassive black hole using the Event Horizon Telescope (EHT). This image of the black hole at the center of the nearby galaxy M87 reveals how gravitation affects the ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Dr. JeFreda R. Brown is a financial ...

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...

This contribution is part of the special series of Inaugural Articles by members of the National Academy of Sciences elected in 2014. At the end of the historical declines in both mortality and ...