The Sun seems like a constant, reassuring presence day to day, but it's actually fairly tempestuous and changeable. One ...

In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, ...

That may be about to change: NASA is preparing a brand new mission that will travel 1 million miles away from Earth in order to map the boundaries of the heliosphere, offering clues to scientists ...

SYRACUSE, N.Y. — The sun makes a big difference in the temperature, if you have a thermometer in the sun versus shade. Plus, surfaces make a difference, especially if you are in a city versus the ...

"All signs were pointing to the sun going into a prolonged phase of low activity," said Jamies Jasinski of NASA's Jet ...

First, let’s discriminate between expansion and expulsion. Expansion happens because the thermal pressure from the increased energy production in the Sun’s interior exceeds the gravitational force ...