The sun's magnetic field is typically only about twice as strong as Earth's magnetic field. However, it becomes highly concentrated in small areas, reaching up to 3,000 times stronger than usual.

The standard space suit will keep an astronaut relatively comfortable at external temperatures reaching up to 248°. Heat coming off the sun dissipates over distance, but a person drifting in ...

Here’s how to make sure you’re getting enough Vitamin D, which is key to recovery from Covid-19 Known as the sunshine vitamin because it’s made in our skin in response to sunlight ...

The probe has already come closer to the sun than any other spacecraft in history, reaching a minimum distance ... The Parker Solar Probe is expected to make up to four more close flybys of ...

UV radiation comes primarily from the sun and is made up of UVA, UVB, and UVC rays. UVC rays do not reach Earth, but both UVA and UVB rays pose health risks. While UVB rays are the primary ...

The sun may rise every morning, but the amount of sunlight reaching Earth's surface can substantially vary over decades, according to a perspective article led by an international research team.