Beyond the local interstellar clouds and their wispy clumps of hydrogen and helium atoms in the form of gas and dust, the ...

In a few billion years, our Sun will become so violently hot that it could wipe out all life in the Milky Way. Yet, paradoxically, the same star that could destroy life may also help make distant ...

NASA and the European Space Agency's Solar Orbiter spacecraft has sent home the highest resolution images of our sun ever captured. ESA has shared four images of the sun's surface, revealing the ...

The Sun, a G2V main-sequence star approximately 4.6 billion years old, is currently undergoing hydrogen fusion. Stellar evolution, primarily determined by a star's mass, dictates that the Sun will ...

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The sun rises and sets every day. We plan our lives around it. It's ironic, then, that "we know so little about the star at the center of our solar system," says Matina Gkioulidou, a space physicist ...

Earlier this year, Earth experienced two geomagnetic storms caused by outbursts of radiation from the Sun, which had an impact on satellites in space and communication systems on the ground. As it ...

First, let’s discriminate between expansion and expulsion. Expansion happens because the thermal pressure from the increased energy production in the Sun’s interior exceeds the gravitational force ...

The sun sits alone at the center of our solar system — but it was actually born in a giant cloud alongside thousands of other stars. So where did all those stars go? Astrophysicists Jeremy Webb and ...

Our solar system has been orbiting the Milky Way's black hole heart for 4.6 billion years. But it is hard to pin down exactly how many trips around the galaxy our sun has made during that time. When ...

A popular tweet about the true color of the sun has sparked a debate on Twitter as users question whether our closest star is really white or yellow. The Claim On September 12, Twitter account Latest ...

A Solar and Heliospheric Observatory image shows Region 486 that unleashed a record flare last week (lower left) November 18, 2003 on the sun. The spot itself cannot yet be seen but large, hot, ...