The mystery of why the Sun’s outer atmosphere is far hotter than its surface has long puzzled scientists. The solar corona ...

It all starts with the Sun. The Sun is a very hot, very big ball of gas at the center of our solar system. Its surface can reach a blistering 10,800 degrees Fahrenheit (6,000 degrees Celsius). That’s ...

The new finding may solve an "astrophysics mystery that has stood for nearly half a century." Our sun's fiery flares are even more extreme than scientists had thought, blasting particles to ...

Earth is at its farthest point from the sun on July 3. So why are temperatures so high across the U.S.? The National weather forecast for this Thursday before Independence Day 2025 shows high ...

Solar Orbiter's view of the Sun from an angle of 17 degrees below the solar equator. ESA & NASA/Solar Orbiter/EUI Team For more than 60 years, various spacecraft and telescopes have journeyed through ...

Our reporter hits the treadmill to understand how scientists study extreme heat. Our reporter hits the treadmill to understand how scientists study extreme heat. A heat lamp at the University of ...