Denise Chow is a sci-tech editor at Live Science and a former associate producer for Science Friday.
Author Bee Wilson examines how changing kitchen tools have influenced what, and how, we eat.
Calling all scientists! How do you explain the concept of time to an 11-year-old?
Rick Bates, of Penn State University, shares handy tips for how to care for your Christmas tree.
Two astronauts answer your questions and discuss the many curiosities of living in space.
NASA officials weigh in on the flurry of planetary science news from the past week.
A new documentary explores how climate change is affecting the world’s glaciers.
A provocative new study suggests humans are slowly becoming less intelligent and emotionally stable.
Nearly 60 years later, James Watson reflects on the legendary race to solve the structure of DNA.