Aliens could spot Earth because of airports such as Heathrow and Gatwick, according to new research. Radar systems used by ...

The ultraviolet index measures the intensity of the sun's harmful rays. Learning how to read it can help you protect your ...

NASA's Parker Solar Probe has set yet another record by taking the closest images of the Sun anyone has ever seen.

Titans of tech and media are descending upon Sun Valley, Idaho, for the annual Allen & Co. conference nicknamed "summer camp ...

July 11 is the last opportunity to see the 'Manhattanhenge' phenomenon light up New York City's iconic thoroughfares, as the ...

An extended day in the sun can be anything but relaxing for those who develop polymorphous light eruption, an uncomfortable, ...

Millions of people receive a federal tax deduction for the interest they pay on home loans. Under President Donald Trump’s ...

During the Transfiguration, Jesus’ face “shone like the sun, and his clothes became as white as the light” as the Father ...

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the universe. This is because the early cosmos was so hot that "electrons were ...

To have the best shot at viewing the Southern Delta Aquariids, NASA recommends looking halfway between the horizon and the ...

The retrogrades this week will likely make you press pause for a moment. You don't need to know the difference between a ...

Clear skies stick around overnight but it shouldn't be quite as cool as the southwest breeze starts to increase humidity ...