The tiny pantheon known as the Asgard archaea bear traits that hint at how plants, animals and fungi emerged on Earth.

Ant colonies survive because individuals are willing to die. New research shows that some of the most vulnerable members, ...

Scientists are sharpening their forecasts for how long Earth can remain a comfortable home for complex organisms, and the ...

RRS Sir David Attenborough scientists are trying to measure the potentially crucial role of ocean manganese, finds. But how do you do cutting-edge science in the inhospitable Southern Ocean?

The diversity of unicellular eukaryotes covered in the study, with their nucleus (blue) and microtubule cytoskeleton (magenta) stained. These organisms are so distantly related to each other as they ...

During early development, tissues and organs begin to bloom through the shifting, splitting, and growing of many thousands of ...

Cyanobacteria, also known as blue-green algae, occur worldwide in many varieties, including in single-cell form and in chains called filaments. While these tiny life forms can strongly influence many ...

The evolutionary origin of sperm can be traced back to a single-celled ancestor of all living animals. Almost all animals reproduce by having a single-celled stage of their life cycle, involving two ...

The origin of organisms with complex cells, known as eukaryotes, is one of the most crucial parts of life’s evolutionary story. All animals, plants, and fungi are eukaryotes, and if complex cells had ...

What can we learn from seeing the world up close? Life at even the smallest size, like the facets of an insect’s eye, can ...

Consciousness evolved in stages, starting with basic survival responses like pain and alarm, then expanding into focused awareness and self-reflection. These layers help organisms avoid danger, learn ...

Stocks tumbled on Monday, extending a dayslong slide that presents a dilemma: Should investors buy in at bargain prices or unload in fear of worse to come? The tech-heavy Nasdaq plummeted 3% last week ...