Three techniques capture data on numerous protein interactions in plants, mice, and human cells.

Analyses of blood from thousands of people show distinct protein profiles are linked to complex diseases of aging.

Researchers initially set out to investigate the relationship between copper homeostasis and the rare Menkes disease, but they also found links to Parkinson’s.

Researchers are looking to proteins to explore the biology of ancient organisms, from medieval humans all the way back to dinosaurs.

How to analyze ancient proteins

Researchers are using souped-up mass spectrometry to localize proteins within brain cells.

From single-cell analysis to whole-genome sequencing, this year's best new products shine on many levels.

Transcript abundance isn’t a reliable indicator of protein quantity, contrary to studies’ suggestions. 

The unicellular ancestor of animals may have harbored some of the molecular tools that its many-celled descendants use to coordinate and direct cell differentiation and function, scientists show.