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 ...

Using data collected by NASA's Parker Solar Probe during its closest approach to the sun, a University of Arizona-led ...

For thousands of years, humans have worshipped the Sun. Our ancestors built monuments and temples to it, and used it to mark the annual cycle of seasons. For ancient Egyptians, their most important ...

It’s impossible to forget just how much the sun affects life on our planet. It’s overwhelmingly the source of our light and heat, providing just enough to maintain the delicate climatic balance we ...

An artist’s impression of the far-future sun, swollen to become a red giant star, as seen from a molten Earth landscape. As summer settles in and temperatures climb in the Northern Hemisphere, it’s ...

In a remarkable feat of nanoscale engineering, scientists have developed a microscopic engine that operates at temperatures exceeding the core of the sun. This groundbreaking advancement pushes the ...