A sweeping new study from Northwestern University reveals that scientific fraud is no longer just the work of a few rogue researchers—it has evolved into a global, organized enterprise. By analyzing ...

A study reveals that aligning physical activity initiatives with climate action enhances health, equity, and climate resilience benefits.

The Amazon rainforest gets all the attention, but the neighboring cerrado stores massive amounts of carbon in its peaty soils ...

The search for materials that can conduct electricity at room temperature without losing energy is one of the greatest and most consequential challenges of modern physics: loss-free power transmission ...

A new study reveals restoring mangroves could save $800 million in storm damage, protect 140,000 people from flooding, and ...

Our sun was born 4.6 billion years ago near the crowded center of the Milky Way and then migrated roughly 10,000 light-years outward to the peaceful galactic suburbs it currently occupies. Now a pair ...

The NASA DART spacecraft shifted the orbits of two asteroids around the sun after intentionally crashing into one of them.

Scientists analyzing a gravitational-wave signal have discovered that a neutron star and black hole spiraled together on an oval-shaped orbit just before merging. This unusual motion, detected in the ...

A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of astronomers led by Penn State scientists. The burst, known ...

Drug discovery is like molecular Tetris. Chemists snap atoms together, adjusting the pieces until everything fits, and ...

Studying the 2022 collision's effects can help scientists protect the Earth from celestial objects that might head toward us ...

The Editorial Board of the Proceedings of the National Academy of Sciences (PNAS) has selected six papers published by PNAS in 2025 to receive the Cozzarelli Prize, an award that recognizes ...