More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas were acidic and rich in iron, and volcanic activity roared across a barren ...

The microbiome-the trillions of bacteria, viruses, and fungi that live quietly in our body-plays a crucial role in shaping human health by providing a variety of micronutrients necessary for vital ...

Instead of killing bacteria, scientists found a way to gently guide gut microbes to produce compounds linked to longevity and healthier aging.

Scientists at the U.S. Naval Research Laboratory (NRL) have completed a spaceflight biology investigation aboard the International Space Station (ISS) that reveals how microgravity fundamentally ...

Learn how studying microbial communities during long-duration spaceflight could also reveal new ways to support human health ...

We all carry cells from other individuals within us. This discovery, which affects all species with a placenta, is called microchimerism.

Bacteria aren't just mindless microbes. New research from the Hebrew University of Jerusalem reveals that single bacterial cells can carry a "memory" of their past environments-passing it down through ...

Life on Earth has long been understood to run on two main energy sources. One comes from sunlight, captured by photosynthesis. The other comes from chemical reactions, such as microbes feeding on ...