Proteins are the molecular machines of cells. They are produced in protein factories called ribosomes based on their ...

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Over the past two decades, researchers have learned that DNA inside the cell nucleus naturally folds into a network of ...

In 1869, Swiss scientist Friedrich Miescher isolated a mysterious substance from cell nuclei—an overlooked finding that would ...

As we age, our cells don’t just wear down—they reorganize. Researchers found that cells actively remodel a key structure called the endoplasmic reticulum, reducing protein-producing regions while ...

DNA's iconic double helix does more than "just" store genetic information. Under certain conditions it can temporarily fold into unusual shapes.

Unlike virtually every other cell in the human body, the syncytiotrophoblast doesn't have a single nucleus. It has roughly 10 ...

Cells shrink a major internal structure as they age. New research shows this downsizing is deliberate—and linked to longer lifespan.

Kris Burkewitz, assistant professor of cell and developmental biology at Vanderbilt University, describes a new way by which cells adapt to the aging process: by actively remodeling the endoplasmic ...

A fast-aging fish is giving scientists a rare, accelerated look at how kidneys grow old—and how a common drug may slow that ...

Every time a cell divides, it must copy its entire genome so that each daughter cell inherits a complete set of DNA. During that process, enzymes known as polymerases race along the DNA to copy its ...

Cilia are evolutionarily conserved, microtubule-based organelles that project from the surface of most eukaryotic cells and play a central role in sensing ...