The sun is 74 percent hydrogen and 25 percent helium, with a few other elements thrown in for flavor, and every second, nuclear reactions at its core fuse hundreds of millions of tons of hydrogen into ...

The sun is around 1,000 times more massive than Jupiter, which is the fifth planet in the solar system, so the effect on the sun as a result of the gas giant is no more than a 40-mile-per-hour ...

From a surprisingly active solar cycle to finding evidence of ancient superflares and solar auroras, here are the most exciting discoveries about the sun made this year.

1. The solar wind has been blowing non-stop since the Sun formed about 4.6 billion years ago. 2. It travels about 1 million miles an hour. 3. It carries about 1.5 million tons of mass away from ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

Some, melting in the sun's glare, can become visible to the human eye in the form of a comet as they pass by Earth. Update, 03/03/2025, 11:00: This article has been updated to include comment from ...

The sun isn't the center of the solar system, and it won't be until 2027. Before you turn off this video thinking I've completely lost my mind, I need to explain two things.

The Parker Solar Probe had already made several close passes of the sun, but the recent flyby was its closest, coming within about 3.8 million miles (6 million km) of the solar surface. That's ...

Ok, now let’s get back to this orbit stuff. When you think of our solar system, the sun takes center stage, with all the planets orbiting around it.

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.