From his backyard in Durango, Colorado, Tom Bartles can see the Animas River, which was stained an unnatural orange.
College students eager to see their experiments fly in space will have to wait at least one more day after weather forced NASA to scrub plans for a scheduled Tuesday launch from eastern Virginia's Wallops Flight Facility.
The Syrian conflict, now in its fifth year, has produced the largest refugee crisis in more than a quarter of a century, according to the United Nations.
An Azerbaijani journalist known for his defense of press freedom has died in a hospital in the country's capital, Baku, after receiving a savage beating, a rights group said.
View pictures of Robin Williams to explore the beloved actor's remarkable life. Williams died on August 11, 2014.
Dr. Kendra Fleagle Gorlitsky recalls the anguish she used to feel performing CPR on elderly, terminally ill patients.