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In the early 1960s, NASA was considering three different ideas for landing a man on the lunar surface. Houbolt's plan ultimately won out despite concerns within NASA that it was too risky.

Activists are spreading information about self-induced abortion online and in person. The World Health Organization says a single drug, misoprostol, can be used to safely induce abortion.

While the seaweed has a lot of things going for it in terms of nutrition and climate friendliness, the lack of infrastructure to process it and people's tastes have not been quick to adopt it.

"We cannot allow this dangerous disease to make a comeback here in New York City. We have to stop it now," Mayor Bill de Blasio said, announcing an order that calls for mandatory vaccinations.

As the world looks back at the Apollo mission, NASA Administrator Jim Bridenstine looks ahead to the "moon shot" of the modern era: landing a human on Mars.

Twenty-one researchers from the University of California San Diego were involved in a study performed on babies in China that has been called unethical, risky and misleading. Experts say the experiment likely would not have passed an ethics review in the United States.

The president's 2020 budget plan calls for studying space-based energy weapons as a way to stop warheads. Critics say it didn't work with the "Star Wars" program in the 1980s and it won't work now.

The owner of the eatery says she's giving compassionate cannabis to the crustaceans so that they don't feel pain. But the state isn't sure the practice is in line with health regulations.

Astronaut Walter Schirra's decision to bring a Swedish-made Hasselblad on his Mercury spaceflight set the course for NASA's choice of the camera for the Apollo lunar program.

Some physicians say connecting environmental effects of climate change — heat waves, more pollen and longer allergy seasons — to the health consequences helps them better care for patients.