Artificial intelligence is being cast as both a hero and a villain at the U.N. climate talks in Brazil. Tech companies and ...

The system can be paired with any atmospheric water harvesting material to shake out drinking water in minutes instead of ...

For more than 15 years, San Francisco-based billionaire Cari Tuna has strived to do the most good with the money she gives ...

You'll get access to an ad-free website with a faster photo browser, the chance to claim free tickets to a host of events ...