Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

In east Tennessee, at the end of a winding dirt road, a mother glances into the woods she roamed as a child. It’s a deep and dramatic vista: a patchwork of pines and oaks disappearing into an endless ...

“Any viewer’s tongue will grow shorter trying to describe it,” marveled the inveterate traveler Ibn Battuta while visiting Jerusalem in 1326. “This is one of the most fantastic of all buildings, of ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Terms apply to American Express benefits and offers. Visit americanexpress.com to learn more. Any time you tap, swipe or dip a credit or debit card at checkout or enter your card number online, you ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...