Epidurals delaying labor: While a shot to relieve labor pains is known to increase the time it takes for women to deliver babies, a new study says the increase may be longer than originally thought.
Billionaire Dennis Tito announced plans Wednesday for a two-person private mission to Mars, in 2018. The project seeks a married couple with technical backgrounds and a healthy dose of courage.
Space tourist millionaire Dennis Tito, who in 2001 paid $20 million to visit the International Space Station, is planning a privately funded trip to the Red Planet.
Male birth control was made possible with mice in lab experiments, say researchers, opening the door to a potential oral contraceptive for men.
Scientists have detected special nerve cells in pigeons' brains that can detect the intensity and direction of magnetic fields.
New research has shown that humans are more like gorillas than scientists previously understood. 15 percent of human DNA is more similar to gorillas than to chimps.