Blue light from phones and other devices. But according to new research, its effects may not be as clear-cut as once believed ...

Every year, one of the world’s most popular vacation destinations falls silent for 24 hours. No Wi-Fi, no electricity, no driving. Even the airport shuts down. Find out why. Here’s what else you need ...

In a high-stakes Pac-12 rematch turned March Madness thriller, the Arizona Wildcats held off the Oregon Ducks, 87-83, to ...

One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's first few hundred thousand years are shrouded in an impenetrable fog.

In this image, three wavelengths of light have been combined to highlight the Milky Way (purple) and cosmic microwave background (gray ... scatter off of free electrons, making the universe ...

The background radiation measured by ACT is extremely faint. "To make this new measurement, we needed a 5-year exposure with a sensitive telescope tuned to see millimeter-wavelength light," says ...

Constance Markievicz, who fought in the 1916 Easter Rebellion for independence and was the first minister of labour in the Irish Free State ... she used blue as the background for the Irish ...