By studying the Sun’s acoustic waves, scientists are uncovering its hidden dynamics, refining stellar models, and influencing ...

Though it might not seem like it on a cold day in winter, the Earth is actually technically inside the atmosphere of the Sun. But evidence ... to study its interior structure.

At just 3.8 million miles (6.1 million kilometers) from the Sun, the probe traversed the solar atmosphere at a record speed of 430,000 mph (692,000 km/h). A signal received on December 26 ...