Hubble Space Telescope mapped Andromeda, revealing a chaotic history shaped by mergers. A 2.5-billion-pixel mosaic shows 200 ...

Astronomers are sounding alarm bells as the world's most precious sky-observing location faces a risk of being blinded by ...

Dr. Neera Nathan advises against getting gel and hybrid manicures without proper protection. "Just ONE twenty minute drying ...

The aurora is expected to be bright and visible in multiple northern U.S. states Oct. 3 through Oct. 5 as well as from the lower Midwest to Oregon.

Now that the sun has reached its solar maximum, aurora chasers should expect the northern lights to appear more frequently in the night sky.

Left and right circularly polarized light, where the electromagnetic waves spiral in a clockwise and counterclockwise manner ...

Melanoma is a particularly dangerous form of skin cancer, and there’s a subtle warning sign that many people might overlook ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

A large international team of scientists observed a rare event in real time: a dramatic increase in radio emission and the ...

"We think every dense, dusty region that we see, and most of the ones we don't see, look like this on the inside — we just ...

A research team at the University of Iowa has identified the role of key genes and ultraviolet light in a common eye disease.