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How big can a star get?

The sun is zipping through interstellar space more slowly than once thought, suggesting the giant shock wave long suspected of existing in front of the sun is not actually there, researchers say. [More]

UV photographs reveal damage the sun has taken on your skin, and new research shows pictures may be an indicator of skin cancer risks

(PhysOrg.com) -- To learn more about how the sun works, scientists study particles that are emitted from it into space due to thermonuclear reactions that occur inside; by applying known physics principles, they can then deduce which sort of nuclear reactions are taking place. As one example, researchers have been able to identify high energy proton to proton interactions that are described as pp neutrinos by detecting them when they reach Earth.

Not many single moms of eight can dream of soaking up the sun on a weeklong Caribbean cruise -- and instead of paying for the privilege, getting paid for it, too.

People still need electricity when the wind isn't blowing and the sun isn't shining, which is why renewable energy developers are increasingly investing in energy storage systems. They need to sop up excess juice and release it when needed.

Taking supplements can give people a false sense of invulnerability -- and a stronger inclination to have causal sex, skip exercising and lounge in the sun, a new study shows.

This Friday (Nov.

Peering deep into the sun's churning plasma, solar physicists have discovered a way to forecast the emergence of sunspots before they reach the solar surface.

Scotland reaches its full glory in the long days and favorable weather of August, and Bonhams will make hay while the sun shines with its annual Scottish Sale. The series of auctions, held in Edinburgh from mid to late August, will of course include one sale devoted entirely to whisky. Slated ...

Scotland reaches its full glory in the long days and favorable weather of August, and Bonhams will make hay while the sun shines with its annual Scottish Sale. The series of auctions, held in Edinburgh from mid to late August, will of course include one sale devoted entirely to whisky. Slated ...

Too much fun in the sun? What to do when the summer heat gets under your skin

A few years back, the sun went into a lull, its activity tailing off like a rambunctious child settling down for a nap. The lull was no surprise; it is a normal part of the sun's roughly 11-year cycle of activity, over which the number of magnetized regions known as sunspots waxes and wanes