Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Learn how rainy and cold weather may be linked with joint pain, impacting those with arthritis or other musculoskeletal ...

Learn why food can contain both good and bad bacteria. Here’s the difference, and how to avoid the bad ones.

Learn how the fossils of ancient organisms help scientists navigate deep time — and uncover Earth’s hidden history.

Learn how super recognizers don’t memorize extra details but instinctively focus on the most telling facial features, a skill ...

Learn how early hominins crafted the same sharp-edged Oldowan tools through 300,000 years of climate change, revealing one of ...

Learn how three new toad species from Tanzania’s Eastern Arc Mountains evolved to skip the tadpole stage — revealing one of nature’s rarest reproductive strategies.

Learn more about the “Marree Man,” a gigantic geoglyph carved into the Australian outback whose creator still remains a ...

Learn about the closest black hole from Earth, Gaia BH1. This recently discovered black hole is dormant, but it’s only 1,600 ...

Learn how chemists were studying a known antibiotic when they discovered a molecule 100 times more potent at defeating ...

Learn more about the ways viral infections can impact people with and without chronic diseases.

Learn more about the connection between nighttime light exposure and heart disease, and how you can help protect yourself.