The fate of exomoons

When a star like our sun gets to be very old, after another seven billion years or so, it will shrink to a fraction of its radius and become a white dwarf star, no longer able to sustain nuclear burning. Studying the older ...

How key genes cooperate to make healthy skin

Skin is the body's armor, protecting us from disease agents, injury, excessive water loss, and cold and heat. Yet mutations in a single gene, the gene for the protein p63, cause numerous diseases and malformations of the ...

Image: Artificial eclipse

The sun experiences both calm and tempestuous periods of activity. At its most active, our star can fling out multiple bursts of particles in a single day in events known as coronal mass ejections, or CMEs. Particles within ...

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