Learn how much caffeine is considered safe for your heart, why energy drinks may not be a great alternative, and why studying ...

Learn what recently discovered fossils can tell us about this formidable dinosaur’s hunting style and why they were "unsafe ...

Learn how warmer air and decades of fuel buildup are turning California’s wildfires into increasingly destructive events.

Learn more about glacial periods in Yellowstone National Park and how they may be connected with hydrothermal activity.

Sam Walters is the Associate Editor - Magazine Lead at Discover Magazine. For Discover’s website, Sam covers topics including archaeology, paleontology, ecology, and evolution, along with an ...

Jack Knudson is an Associate Editor for Discover Magazine. He specializes in writing articles that cover topics about space exploration, ancient humans, animal behavior, sustainability, and the ...