The human body has always been crowded with microscopic passengers, from bacteria to viruses and fungi. Over the past two ...

Human cells are extremely small and tightly packed – at about 20 micrometers across, ...

After centuries of mapping the human body in ever-finer detail, scientists are still making discoveries. Here we are, in 2025, and a previously unknown cellular structure that could be vital to our ...

Custom polymer structures can now be 3D printed inside living cells using laser-based fabrication, opening paths to intracellular sensors, cell tracking tags, and embedded microlasers.

Researchers find obelisks, mysterious RNA molecules in human bacteria that challenge our understanding of viruses and ...

This strange microscopic structure may whisper ancient evolutionary secrets.

One of the most detailed 3D maps of how the human chromosomes are organized and folded within a cell's nucleus is published in Nature. Chromosomes are thread-like structures that carry a cell's ...

Researchers at Colorado State University have determined how to use artificial intelligence to modify antibodies so they act ...

A new imaging study challenges long-standing ideas about how hair grows and could lead to new treatments for hair loss. Scientists have discovered that human hair does not emerge because it is pushed ...

Researchers at the University of Washington and Fred Hutch found that CARD8, an inflammasome sensor, detects HIV-1 in macrophages during cell-to-cell viral transmissions from infected T cells. HIV can ...

Illustration of a T lymphocyte white blood cell, depicted in blue, attacking a cancer cell, shown in red Nemes Laszlo / Science Photo Library via Getty Images CAR T-cell therapy can be a lifesaving ...

Ultra-endurance athletes can push their bodies to extraordinary extremes, but even they run into a hard biological wall. Researchers tracked ultra-runners, cyclists, and triathletes over weeks and ...