Sitting in my doctor’s examination room, I was surprised when she told me, “Genetics don’t really matter for chronic disease.”…
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Quick facts about black holesWhat they are: Places in space where gravity is so strong that nothing can escapeHow they…
My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from…
On Thursday (May 15), the U.S. House Committee on Space, Science and Technology convened with scientists to discuss a rather…
Supernovas can become some of the most powerful particle colliders in the universe — but only if they pass a…
Sperm cells have a monumental task, but their days are numbered. From the moment they’re made in the testes to…
Quick factsWhat it is: Two galaxies colliding in the early universeWhere it is: 11 billion light-years away, in the constellation…
Around the U.S., about 90,000 tons of nuclear waste is stored at over 100 sites in 39 states, in a…
Quick facts about insectsWhat they eat: Plants, fruits, nectar, sap and other insectsHow they reproduce: Sexually, with females laying eggsWhen…
Quick facts about aliensHas extraterrestrial life been discovered?: Not yet!Where are scientists looking for aliens?: Water-rich bodies in our solar…