All Articles


The Woman Who Gets Called When a Piece of Mars Falls From the Sky

Planetary geologist Meenakshi Wadhwa uses Martian meteorites to trace the history of our solar system.

Illustration of lock with polynomials surrounding it
Abstractions blog

Mathematicians Seal Back Door to Breaking RSA Encryption

Digital security depends on the difficulty of factoring large numbers. A new proof shows why one method for breaking digital encryption won’t work.

Art for "New Studies Rescue Gravitational-Wave Signal From the Noise"
gravitational waves

New Studies Rescue Gravitational-Wave Signal From the Noise

Two independent papers vanquish lingering doubts about LIGO’s historic discovery of gravitational waves.

Art for "A ‘Self-Aware’ Fish Raises Doubts About a Cognitive Test"

A ‘Self-Aware’ Fish Raises Doubts About a Cognitive Test

A report that a fish can pass the “mirror test” for self-awareness reignites debates about how to define and measure that elusive quality.

Abstractions blog

What a Newfound Kingdom Means for the Tree of Life

Neither animal, plant, fungus nor familiar protozoan, a strange microbe that sits in its own “supra-kingdom” of life foretells incredible biodiversity yet to be discovered by new sequencing technologies.

Art for "In the Universe of Equations, Virtually All Are Prime"
number theory

In the Universe of Equations, Virtually All Are Prime

Equations, like numbers, cannot always be split into simpler elements.

Abstractions blog

Why Black Hole Interiors Grow (Almost) Forever

The renowned physicist Leonard Susskind has identified a possible quantum origin for the ever-growing volume of black holes.

Martin Rees, Baron Rees of Ludlow, at his home in Cambridge, England.

On the Best Use of Science to Safeguard Humanity

For 50 years, the astrophysicist Martin Rees has contributed to our understanding of cosmology. Now he is speaking up about the promise and potential dangers of the science and technology that will arrive over the next 50 years and beyond.

Abstractions blog

What Defines a Stem Cell? Scientists Rethink the Answer

As it becomes clear that the body’s cells have more diverse regenerative capabilities than expected, experts have had to reconsider their approach to stem cell research.