Scientists have uncovered previously hidden changes in the Sun's solar activity over the last 40 years, which could affect ...

Astronomers have been studying sound waves moving within the Sun. This approach, known as asteroseismology or helioseismology can reveal insights into the internal workings of the Sun. Forty years ...

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Scientists have discovered the Sun has been undergoing systematic changes in its internal solar activity over the past few ...

Sunspots are planet-sized regions on the sun's surface that have increased magnetic shields and often appear dark or black on the surface of our star. These spots are often the originating point of ...

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For the first time, a spacecraft has made contact with the sun. During a recent flyby, NASA’s Parker Solar Probe entered the sun’s atmosphere. “We have finally arrived,” Nicola Fox, director of NASA’s ...

The sun has risen on a new set of postage stamps. The United States Postal Service (USPS) on Friday (June 18) released "Sun Science," a collection of 10 stamps celebrating the study of heliophysics ...