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UV lamps, which simulate the light from the sun, can be used to treat vitamin D deficiency.

What is vitamin D deficiency? How less sun can make you vulnerable to infection

Vitamin D deficiency is linked to not spending enough time in the sun. Without enough vitamin D, your body is unable to absorb calcium properly.
A worker in protective suit shows a UVC sterilizer unit for medical staff, during the coronavirus disease (COVID-19) outbreak, at a factory in Samutprakarn, Thailand, April 15, 2020.

Sunlight might kill the coronavirus on surfaces, but experts reject Trump’s ‘exceedingly dangerous’ ideas about using it on the body...

President Trump suggested using UV light as a COVID-19 treatment, even bringing it "inside the body." Experts say the sun is not a miracle cure.
Artist's impression of the fairing encapsulating Solar Orbiter being released following launch on an Atlas V 411.

NASA just launched a new spacecraft to take the first photos of the sun’s poles and probe its violent eruptions. Here’s how it works.

The Solar Orbiter will photograph enormous holes in the sun's atmosphere and track violent electrical eruptions that surge toward Earth.

NASA and the European Space Agency are launching the Solar Orbiter spacecraft toward the sun on Sunday — watch live

The European Space Agency and NASA are jointly launching the new Solar Orbiter spacecraft at 11:03 p.m. ET on Sunday, February 9. Watch it live.

The most detailed photos and videos of the sun’s surface ever captured reveal Texas-sized cells of boiling plasma

The tiniest white dots in this video are the size of Manhattan. Such images could help forecast dangerous space weather.
An eclipse in the Arabian Gulf.

A photographer captured the sun looking like devil horns off the coast of Qatar during an eclipse

Photographer Elias Chasiotis says the natural event off the coast of Qatar was "the most awesome sunrise in my life."
The aurora borealis, or the "northern lights," over Canada is seen from the International Space Station on September 15, 2017.

A mysterious crunch in Earth’s magnetic field created a new type of aurora borealis. A NASA intern discovered it.

A NASA intern saw the aurora in 3-year-old footage of the Arctic sky. It's the first known aurora caused by Earth's magnetic activity.

An ultra-rare solar eclipse is happening in Singapore on Boxing Day – here’s where to see the 1-min ‘ring of fire’

The phenomenon will happen just over 1 minute only - and the next time to catch it is 2063.
An artist's illustration of the Parker Solar Probe approaching the sun.

A record-breaking NASA probe circling the sun has found never-before-seen spikes of solar wind and a flipping magnetic field

The Parker Solar Probe's study of the sun's corona and wind could lead to new protections for astronauts and Earth's electric grid.