The temperature in the Sun's core is about 27 million degrees Fahrenheit (15 million degrees Celsius), hot enough to make fusion reactions work perfectly. 5 million gigapascals. Think about this: the ...

Boulder, Colorado — Scientists from the National Solar Observatory (NSO) in Tucson, Arizona, have discovered that a solar jet stream deep inside the Sun is migrating slower than usual through the star ...

The Sun is not nailed to the center of the solar system. It moves, wobbles, and traces a small loop through space, tugged by the combined gravity of every planet in orbit around it. Yet the whole ...

For all of human history, the Sun has served as a great constant in daily life. As this brilliant orb blazes across the sky, it sustaind life, provides harmonious rhythms to our world, and marks the ...

The Sun’s outer atmosphere is far hotter than its surface — a long-standing mystery in solar science. A new study 1 suggests that the answer may lie in countless tiny eruptions happening all the time ...