A new study suggests that ancient microbes once cast as oxygen haters may have actually learned to use the gas, offering a clue to how the first complex cells — and, eventually, all plants and animals ...

As humans travel farther and farther from our terrestrial home, scientists need to devise ways to resupply missions in the inhospitable environment of space. One way could be to leverage the ...

Symbiotic bacteria living inside insect cells have the smallest genomes known for any organism. The findings further muddy the distinction between cellular organelles like mitochondria and the most ...

Fei-Fei Li’s World Labs has secured a $200 million investment from software design giant Autodesk as part of a larger $1 billion round from backers, including AMD, Emerson Collective, Fidelity, Nvidia ...

An unprecedented look at how the gut microbiome varies among babies in different parts of the world reveals that infants in the West lack a microbe that is common elsewhere. This could aid the ...

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones. By Carl Zimmer A flurry of new studies ...

Some microbes can squeeze through tight spaces by wrapping themselves in their flagellum—the tail-like structure they use to move. Also, how adorable are those little guys? Reading time 3 minutes Some ...

Global health experts worry that a lack of international coordination will lead to death and disaster. By Sheryl Gay Stolberg The United States formally withdrew from the World Health Organization on ...

The world is now using so much fresh water amid the consequences of climate change that it has entered an era of water bankruptcy, with many regions no longer able to bounce back from frequent water ...

You’ve probably seen an artificial intelligence system go off track. You ask for a video of a dog, and as the dog runs behind the love seat, its collar disappears. Then, as the camera pans back, the ...

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The world has begun to close out 2025, toasting the end of a year that brought an American pope, precarious peace talks in several parts of the globe and a U.S. president whose impact was felt ...