Previous generations spent much more time outdoors bathed by a natural light spectrum that includes ultraviolet, deep violet, ...

Sunspot AR3256 erupted with an X1.2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

Humanity is lucky to reside on a planet circling a star with plentiful radiation, illuminating the world around us in ...

Puzzlingly, the "knots" clock a faster speed when seen in X-rays than they do in radio wavelengths. scientists said. "The ...

Astronomers revisited decades-old data from NASA’s Chandra X-ray Observatory, discovering bright, clumped “knots” in an ...

A recent breakthrough in frequency conversion has achieved substantial bandwidth, opening new possibilities for more ...

New research from NASA's Chandra X-ray Observatory uncovers fast-moving knots in black hole jets, highlighting differences in ...

Research by UW Medicine scientists found the blue and orange wavelengths of the rising and setting sun do an ideal job of ...

Four-wave mixing A weak optical signal (red) from a spacecraft transmitter can be amplified noise-free when it encounters two pump waves (blue and green) in a receiver on Earth. (Courtesy: Chalmers ...

The 'Tadpole': A colliding galaxy dubbed the "Tadpole" (UGC10214) is set against a rich tapestry of 6,000 galaxies. The ...

Learn about the benefits of LED face masks and the benefits of light therapy. Shop 10 of the best dermatologist-recommended ...

Milbros UV Graphs have been developed to work with a spectrophotometer, a machine now being installed on ships that accepts a ...