Helium is the second most abundant element in the universe after hydrogen. But scientists aren’t sure just how much there actually is in the Sun’s atmosphere, where it is hard to measure. Knowing the ...

A giant, gaping hole that opened up in the Sun's atmosphere has been identified as the source of a surprising abundance of a rare isotope of helium. In late October 2023, the Sun was recorded belching ...

Astronomers have found that the sun is more metallic than we previously thought, potentially solving an astronomical mystery that scientists have grappled with for years. The sun is Earth's closest ...

Helium in the Sun may set the minimum speed limit for the solar wind, which has never been explained before, a new study says. The new insight could help scientists understand the solar outbursts that ...

With nuclear fusion in the news, we look to the sun. An old hand at the process, it squeezed its first hydrogen atoms together 4.6 billion years ago. On August 31, 2012 a long filament of solar ...

The Sun is mostly hydrogen and helium. Its core temperature is 27 million degrees Fahrenheit. The Sun is about 4.6 billion years old. It's a G-type main-sequence star. Key takeaways sponsored by The ...