Minutes matter when a surgeon is deciding how much tissue to remove. Yet for centuries, medical imaging has leaned on stains ...

The vacuum ultraviolet region is the area of the electromagnetic spectrum lying between X-rays and visible light. It is ...

"I believe that means she is spayed," commented one social-media user on the post, earning more than 23,000 upvotes.

Discover what everyday objects really look like under ultraviolet light in this surprising UV experiment. A powerful UV lamp reveals hidden marks on banknotes, secret layers in paintings, invisible ...

Ultraviolet air filters might help rid a person's home of asthma triggers, a new study suggests. Installing one type of UV ...

Astronomers working with data from the Hobby-Eberly Telescope Dark Energy Experiment, known as HETDEX, say they have produced one of the largest and sharpest three-dimensional maps to date of ...

Murnane, Kapteyn and their students are no stranger to powerful lasers. The researchers and their colleagues previously pioneered the design of tabletop X-ray lasers. These machines emit beams of ...

The transition from winter to spring in Montana brings dramatic environmental shifts that contribute to the onset of specific dermatologic conditions. Fluctuations in temperature and humidity, alongsi ...

Physicists at the University of Colorado Boulder have demonstrated a new kind of vacuum ultraviolet laser that is 100 to 1,000 times more efficient than existing technologies of its kind. The ...

Coronae glow on the tips of spruce needles, induced by charged metal plates in a laboratory. (William Brune) For the first time, meteorologists have glimpsed the tiny bursts of ultraviolet light ...

The world’s astronomers now have access to amazing details about the invisible ultraviolet light from the Sun, thanks to a new ‘spectral atlas’ prepared with the SUMER instrument on the SOHO ...