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The blue lagoons of the Cuatro Ciénegas Basin provide a glimpse into the planet’s ancient past.

A finding pushes back the timeline on humankind’s conquest of one of Earth’s harshest environments, and may provide clues about interactions with their hominin relatives.

The discovery that the adenosine derivative aids self-replication adds weight to the theory that life on Earth originated from a mixture of RNA molecules.

A quirk of nomenclature originates in the study of insect cells.

The Duke University professor studies the parasite to find a way to thwart infection before it takes hold.

When different archaeal species mate, their CRISPR systems interact in ways that may influence their evolution.

Birds drifting on the surface of the sea could provide valuable data for oceanographers.

The drugs lead to widespread, predictable changes in brain waves that can help anesthesiologists personalize anesthesia and develop anesthetic-based treatments.

Scientists may need to seriously reconsider the cast-aside hypothesis that pathogens can play a part in diseases such as Alzheimer’s and Parkinson’s.

Plasmodium falciparum has shown an ability to evade everything we throw at it, most recently artemisinin-based combination therapies, today’s front-line treatment.

The agency gives an accounting of grantees and staffers penalized for their behavior last year.

The extremely rare event, thought to be caused by two sperm cells fertilizing the same egg simultaneously, was last reported in 2007.