For decades, scientists have wondered how the Sun’s outer atmosphere — the corona — burns millions of degrees hotter than its ...

A massive comet known as 3I/ATLAS that was first discovered zooming across the solar system over the summer showed signs of ...

The finding, based on data from the Daniel K. Inouye Solar Telescope in Hawaii, marks the first direct evidence of tiny twisting magnetic motions of energy-packed plasma waves in the sun's outer ...

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 ...

Scientists have spotted elusive "magnetic waves" in the sun's atmosphere that may explain why the sun's corona is much hotter ...

Eventually, both spacecraft encountered a blazing “wall of fire” at the system’s boundary, recording temperatures between 30,000 and 50,000 kelvin (about 54,000 to 90,000 degrees Fahrenheit ... the ...

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 ...

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...

A heat dome is building over the western U.S., and temperatures are expected to reach up to 119 degrees in some areas. The extreme heat is expected to worsen wildfire conditions in California, Arizona ...