Stephen Hawking and I created his final theory of the cosmos—here's what it reveals about the origins of time and life [Essay by Thomas Hertog]
Auroras Are About to Become More Common. Here’s Where To See The Dazzling Light Show.
A study tracking the lives of Chicagoans from childhood and adolescence in the 1990s to the start of middle age has found that 56% of Black and Hispanic residents from across the city witnessed at least one shooting by the time they turned forty