Science

2:41 PM ET Jeff Carlisle Near American football correspondent Jeff Carlisle covers the MLS and the US national team for ESPN FC. Stefano Fusaro With reports by Stefano Fusaro in Orlando, Florida. There have been tweets about incomplete food in room service, wildlife at the hotel, and yes, some of …

Enlarge / / “Listen, do you smell something?” If you ask a United States Navy scuba diver for the most visceral part of the ongoing and underwater experience, you’ll almost always get the same answer: it’s the smell. “Eau de Boat”, as we sailors call it, is a unique combination …

Black holes still provide some of the biggest, and superlative, mysteries out there. NASA / JPL-Caltech The fastest growing black hole known to humans is staggeringly large and apparently very, very hungry, according to new research by an international team of astronomers. “The mass of the black hole is also …

Photo Credit: Brian Dowling – Getty Images Of Popular Mechanics A new third-generation GPS satellite adds two new types of signal and improves the precision and intensity of the signal. The Lockheed Martin satellite was launched by SpaceX. GPS started in the 1970s, but all satellites in use today are …

White-throated sparrows in British Columbia are whistling a new song and it’s going viral across Canada. What started as a minor change to a common song has now become a phenomenon across the continent before our own ears. “As far as we know, it is unprecedented,” says biologist Ken Otter …