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Bird Evolution Sulawesi Babbler

Bird Evolution Can Be Surprisingly Fast

Bird evolution has helped scientists understand how natural selection works since the time of Darwin. Find out how a species of birds in Indonesia demonstrated how rapidly evolution can take place. (4:00 min read)

Hubble Tension May Be Loosening

Hubble tension is the difference in results that scientists get when they try to measure the rate at which our Universe expands. Find out how a new study may have split the difference and loosened the tension between two camps of researchers. (4:00 min read)

The Sixth Extinction Front Cover of Book

The Sixth Extinction: An Unnatural History – A Review

The Sixth Extinction’ by Elizabeth Kolbert is an overview of past and present mass extinctions. Discover why many scientists believe that humans are causing a new era of mass extinction today. (5:30 min read)

Ingenuity Captures Its Own Shadow on the Marian Surface

Mars Helicopter ‘Ingenuity’ Takes Flight

The Mars Helicopter Ingenuity made the first powered, controlled flight on another planet today. Discover the challenges the flight overcame and the next steps for the mission. (4:00 min read)

Brain Cells - Image of neurons firing, green on red background

Brain Cells Have Mysterious Self-Organizing Ability

Brain cells have both excitatory and inhibitory roles in transmitting neural signals. Discover how they can adapt within those roles and what that could mean for treating brain disorders. (3:00 min read)

Dark Energy - Spiral Galaxy, brilliant red and blue

Dark Energy: Dark Matter Magnetism?

Dark energy is a hypothetical force that scientists rely on to explain why the Universe expands at an accelerating rate. Discover how a new theory challenges dark matter’s existence based on magnetism. (4:30 min read)

Copper Culture - Collection of copper arrowheads with copper ore and bone fragments

Copper Culture in North America is Older than We Thought

The “copper culture” lived near the Great Lakes and was among the world’s first peoples to forge metals. Discover why their culture moved on and how its discovery debunks racial stereotypes. (5:00 min read)

Lifeless Matter Flow Diagram Showing "Death" Selecting "Slow, Complex Replicator"

Lifeless Matter Needs Destruction to Evolve

Lifeless matter could only have evolved into self-replicating molecules by growing more complex. Discover how destruction might make this counterintuitive process conceivable. (4:15 min read)