Berkeley, California - Since Uber, and then Lyft, came onto the ride-hailing scene in 2009 and 2012, respectively, the companies have extolled the environmental virtues of their services, claiming that their use reduces personal car ownership and the number of cars on the road.

Washington, DC - Stress: What does it feel like to you? Maybe like pressure from multiple directions, trying to push and pull and twist you all at once? If so, you’ve described it the same way engineers describe stress on a solid object and a team including scientists at the National Institute of Standards and Technology (NIST) has taken a major step toward measuring it usefully in cutting-edge materials.

Washington, DC - Secretary Kerry met with British Foreign Secretary Philip Hammond on November 3 to discuss next steps on Syria.

San Diego, California - Kate Rubins has always been starstruck by the night sky. Growing up, she attended star-gazing parties and plastered her room with images of faraway galaxies. In May 2016, Rubins’ long-held aspiration to travel to space will become a reality when she voyages to the International Space Station as part of Expedition 48/49. A biochemist and 1999 graduate of the University of California, San Diego, Rubins will help conduct more than 100 microgravity experiments to gain insight into how the mechanics of life happen outside of our planet.

Los Angeles, California - Many of the world’s largest herbivores - including several species of elephants, rhinoceroses, hippopotamuses and gorillas - are in danger of becoming extinct. And if current trends continue, the loss of these animals would have drastic implications not only for the species themselves, but also for other animals and the environments and ecosystems in which they live, according to a new report by an international team of scientists.

Washington, DC - Two passenger airlines soon will test NASA-developed software designed to help air carriers save time and reduce fuel consumption and carbon emissions.