Atmospheric CO₂ concentrations are surging, even as emissions level out. Natural carbon sinks are showing signs of faltering ...

Quantum ideas describe particles and fields in tiny packages, but general relativity paints gravity as smooth curves in space ...

In a sweeping new study of more than 13,000 urban areas worldwide, researchers have mapped air pollution levels and carbon ...

Hundreds of millions of years before oxygen surged in the atmosphere 2.4 billion years ago, swaths of oxygen winked in and out of existence in the ocean.

Captain Planet is set to return more than three decades since it first broadcast on TV. A new comic book series by Dynamite ...