A weakening of Earth’s magnetic field known as the Laschamps event would have increased the threat of solar radiation, ...

Explore the return of sunlight after years of global dimming. Discover how air pollution reduction is affecting sunlight ...

Uranus Findings Can Aid the Study of Exoplanets Now more than 30 years into its mission, the Hubble Space Telescope has ...

Among the most fascinating phenomena are gamma rays, the most energetic form of electromagnetic radiation. Recently, ...

Modeling Earth’s atmosphere and magnetic field from 41,000 years ago suggests how Homo sapiens’ sun-fighting strategy helped ...

The sun may rise every morning, but the amount of sunlight reaching Earth's surface can substantially vary over decades, ...

The ice-giant planet Uranus, which travels around the sun tipped on its side, is a weird and mysterious world. Now, in an ...

Sunlight reaching Earth’s surface isn’t as stable as we might think—it’s actually fluctuated dramatically over the decades due to pollution and clean air efforts. An international team of researchers ...

A surprising new study suggests the intense radiation from active galactic nuclei from a black hole might support life ...

The study published in The Astrophysical Journal explored via computer simulations how this UV radiation might transform a planet's atmosphere to help or hinder life. A stock image shows a ...