New research shows ancient tropical oceans once held more oxygen than cooler regions, reshaping where early life could ...

More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...

“Looking at things at a very, very fast rate allows us to observe weird and wonderful phenomena,” Salamat says, calling the ...

Chemists at UCLA are showing that some of organic chemistry’s most famous “rules” aren’t as unbreakable as once thought. By creating bizarre, cage-shaped molecules with warped double bonds—structures ...

Cubene and quadricyclene are descended from cubane and quadricylane, both cage-shaped structures with bonds that are fairly ...

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

A new study explains how birds maintain sharp eyesight despite their retinas lacking blood vessels, finally resolving a centuries-old biological paradox.

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

Billions of cigarette butts end up on sidewalks, beaches, and gutters each year. They are small, easy to ignore, and hard to ...

A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of ...

Copper atoms trapped in MXene nanochannels remove 94.9% of bisphenol A in 5 minutes by concentrating reactants and lowering ...