After years of development, researchers at the Daniel K. Inouye Solar Telescope in Hawaii have fired up their newest tool, the Visible Tunable Filter (VTF), and captured its first images of our sun.

I loathe the thick, goopy sunscreens that feel like a mask and look like face paint. Eek. Not exactly the look I’m going for ...

With sunnier days on the horizon, many of us are happily anticipating a dose of vitamin D – but it also prompts us to reflect on how sun exposure affects our skin as we age. Is the impact of UV rays ...