Image of a woolly mammoth skin from the Siberian permafrost.
| 4 min read
A well-preserved 52,000-year-old woolly mammoth skin sample with fossils of ancient chromosomes could offer a glimpse into the history of life.

extinct species

Fernanda, a Fernandina giant tortoise (<em>Chelonoidis phantasticus</em>), was identified in 2019, decades after her species supposedly went extinct.

When an Extinct Species Is Found Alive, What Happens Next?

Artist’s rendering of an early mammal called a mammaliamorph

Warm-Bloodedness in Mammals May Have Arisen in Late Triassic

Dinosaur Fossil (Tyrannosaurus Rex) Found by Archaeologists

Are We in the Midst of a Sixth Mass Extinction?

Illustration of creatures from today&rsquo;s crisis

Infographic: A Look at the Big Five Mass Extinctions

A scientific illustration of a Christmas Island rat

Genome Spotlight: Christmas Island Rat (Rattus macleari)

elephant herbivore extinction risk predator omnivore iucn red list

Risk of Extinction Is Greatest for Large Herbivores: Study

Image of the Day: Big Body, Little Brain

DNA of Red Wolves, Once Gone from the Wild, Discovered in Texas Pack

Productivity Paradox

Trending

A close-up image of a fly landing on a dessert

What Happens When a Fly Lands on Your Food? 

Photo of John Calhoun crouches within his rodent utopia-turned-dystopia

Universe 25 Experiment

Image of an infant’s feet that are visible in a hospital incubator.

Record-Breaking DNA Sequencing Technology Could Transform Newborn Care

A spooky stone mask sits against a black background.

Impersonation Scandals Shake Academic Publishing

Multimedia

Olga Anczukow and Ryan Englander discuss how transcriptome splicing affects immune system function in lung cancer.

Long-Read RNA Sequencing Reveals a Regulatory Role for Splicing in Immunotherapy Responses

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Research Roundtable: The Evolving World of Spatial Biology

Research Roundtable: The Evolving World of Spatial Biology

Image of a woman with her hands across her stomach. She has a look of discomfort on her face. There is a blown up image of her stomach next to her and it has colorful butterflies and gut bacteria all swarming within the gut.
November 2025, Issue 1

Why Do We Feel Butterflies in the Stomach?

These fluttering sensations are the brain’s reaction to certain emotions, which can be amplified or soothed by the gut’s own “bugs".

View this Issue
Olga Anczukow and Ryan Englander discuss how transcriptome splicing affects immune system function in lung cancer.

Long-Read RNA Sequencing Reveals a Regulatory Role for Splicing in Immunotherapy Responses

Pacific Biosciences logo
Research Roundtable: The Evolving World of Spatial Biology

Research Roundtable: The Evolving World of Spatial Biology

Conceptual cartoon image of gene editing technology

Exploring the State of the Art in Gene Editing Techniques

Bio-Rad
Conceptual image of a doctor holding a brain puzzle, representing Alzheimer's disease diagnosis.

Simplifying Early Alzheimer’s Disease Diagnosis with Blood Testing

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