Gregory McNamee

In generations past, the arrival of spring meant not just warming days, chirping birds and frolicking baby animals, but also an energy-intensive project for homemakers: spring cleaning.

The famed astrophysicist Neil deGrasse Tyson, director of the Hayden Planetarium at the American Museum of Natural History, asks how many planets out there might harbor life forms -- and when they might visit -- in his new book, “Cosmic Queries.”

Scientists have been hard at work for decades trying to find signs of other life in the galaxy. When answers aren’t available on UFOs and other phenomena, popular culture fills in the gaps with our collective imagination.

Adding spinach to your diet has benefits, since it’s loaded with antioxidants, vitamins and fiber, which are important for reducing risk for chronic diseases. But does it make you strong, like Popeye? Here’s the answer.

If you were a kid raised anytime between the 1930s and the 1970s -- or raised by someone who was raised then -- chances are good that you grew up

Listen to songs like “Starman” by David Bowie and “Across the Universe” by the Beatles during the next spacewalk.