A quiet but powerful process begins the moment food touches your mouth. Long before your immune system reacts, bacteria in ...

We thought it was evolution, but an experiment with pencils shows that tips like teeth and thorns may owe their rounded shape ...

Gut bacteria aren’t just passive passengers—they can actively send proteins straight into our cells. Using microscopic injection systems, even harmless microbes can influence immune responses and ...

Weird things can happen to even the most manicured lawns, including strange slimy spots and bizarre discolorations. Find out ...

Plants on remote islands get less disease — but isolation reshapes which species dominate, and those species are the most ...

In 2024, NASA's Perseverance rover found surprising levels of Nickel in the Martian bedrock of an ancient river channel, ...

One of the remarkable scientific discoveries of the past several decades is that the universe and earth appear fine-tuned for ...

Rival viruses can eavesdrop on each other’s chemical signals, sometimes triggering the wrong response and changing how ...

Why do humans have an appendix? New research is reshaping our understanding of this overlooked organ and its antiquated role ...

The 40-year mystery surrounds a deadly parasite that can cause life-threatening disease if left untreated.

The bacteria living in your gastrointestinal tract may play a surprising role in how much altitude sickness affects you.

After years of deep-sea sleuthing, National Geographic Explorer Katy Croff Bell has created a treasure map. It’s not drawn on ...