Marathon runners consistently finished slower in cities with higher levels of dangerous particles in the air, researchers found. By Hiroko Tabuchi and Brad Plumer The agency has faced blowback from ...

Get in-depth unbiased information on the Saturn Ion from Consumer Reports including major redesigns, pricing and performance, and search local inventory ...

Yahoo Sports TVyahoosports.tv is here! Watch live shows and highlights 24/7. Yahoo Sports DailyJason Fitz & Caroline Fenton bring you the top sports news to start your day. Yahoo Fantasy ...

It was right to decry factional strife. Its remedy was a grave mistake. By Mary McCord and Andrew Weissmann These extreme maps may not be likely, but they might soon be legal, with temptations to go ...