How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...

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 ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang on ...

European Space Agency-led Solar Orbiter was launched in 2020 It studies solar activity cycle, magnetic field, solar wind The European Space Agency on Wednesday released images taken in March using ...

The newborn planetary system appears to be emerging 1,300 light-years away around a baby star known as HOPS-315. Planet-forming materials were first identified using NASA's James Webb Space Telescope.

The intensity of the Sun’s activity ebbs and flows across years, but also across decades—a behavior that scientists haven’t quite figured out yet. At the turn of the 21 st century, astrophysicists ...

We look ahead to 2025 as the sun ramps up its activity, driven by the peak of the current solar cycle. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

The sun is not quite done with 2024. Early Sunday (Dec. 29), the sun fired off a class X1.1 solar flare, one of the most powerful types of solar explosions possible, in what may be its last major ...

People have been telling stories about renewable energy since the nineteen-seventies, when the first all-solar-powered house opened on the campus of the University of Delaware, drawing a hundred ...