New research upends what scientists know about a classic lab technique, called gram staining, used for more than a century to characterized and classify bacteria.
New phylum of sea-bottom archaea microbes could be closest living relatives yet found to the eukaryote domain of complex life that includes people.
News in Brief
Scientists precisely capture thunder sound waves radiating from artificially triggered lightning.
Earth is a wet planet that formed in a dry part of the solar system. How our planet’s water arrived may be a story of big, bullying planets and ice-filled asteroids.
A surge in designer drugs, which emulate the highs of classic illicit substances with unpredictable effects, is keeping law enforcement busy.
Fossil find suggests modern birds’ oldest avian relative lived about 6 million years before previous record holder.
Curiosity has explored Mars for over two and a half years. What if NASA's rover kept a scrapbook?
An engineered enzyme can quickly slice and dice some A and B markers from blood cells, bringing researchers closer to creating universal blood.
Light-activated, human-made particles can align themselves with the flow of a fluid and swim upstream.
A mouse’s optic nerve fluoresces in a rainbow of colors. The image offers a detailed look at nerve-protector cells called oligodendrocytes.
Charged particles like the ones astronauts might encounter wallop the brain, mouse study suggests.