At least four people in critical condition; preliminary evidence indictaes gas explosion, city and fire officials say
NASA's Scott Kelly will spend much of his year in space doing experiments to find out what a year in space does to the body
U.S. pilots legally required to disclose mental health issues, expert says, "but, of course, people can lie"
For many, spring cleaning is not just windows, curtains and carpets -- 51 percent of Americans pay special attention to their desk or home office
Neil deGrasse Tyson doesn't think like the rest of us. Here's a glimpse into what excites an astrophysicist
For your iPhone and iPad, download the FREE redesigned app, featuring CBSN, 24/7 live video news.Get It Now