Scientists detected the gravitational waves after a pair of unusual black holes collided.
Insecticide spraying is continuing in the Dallas area, the nation’s hotspot for the mosquito-borne West Nile virus.
So far, nearly 200 people have been infected and 10 have died in Dallas County. The mayor of Dallas has declared a state of emergency.
Officials in Michigan have announced the state’s first fatality: an elderly woman in Washtenaw County. Louisiana has had six deaths, the only other state besides Texas with more than one death.
Cases are on the rise in Chicago. Here in Massachusetts a man in his 60s has become the first person diagnosed with the disease this year. Human infections are at their highest since 1999 when the virus was first found in the U.S. At least 26 people have died so far this year from West Nile virus.
Robin Young and Jeremy Hobson are hitting the road. Our Tumblr brings you behind the scenes of our election coverage.