The World Health Organization, meanwhile, suggests no screen time at all for children below the age of one, and no more than ...

Rather than completely burning up when a spacecraft reenters Earth's atmosphere, its heat shield's outer surface is ...

The crisis facing boys is not fringe. It is central. A country cannot thrive when half its youth are disappearing into ...

"Apollo 13," which is heading to IMAX, recounts the perilous 1970 efforts of three astronauts to return to Earth safely during a failed lunar mission.