Gazing up at the clear blue sky, our eyes are often drawn to the Sun, that magnificent burning orb that illuminates our days, warms our planet, and supports the growth of our food. But how much do ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

The exoplanet orbits a red dwarf star called TOI-5205, which is about 40% the size and mass of our sun, and about 5,660 degrees Fahrenheit (3,127 degrees Celsius) in temperature compared with the ...

But if you zoom out to the far reaches of our galaxy, the sun no longer looks like such a giant. In fact, it's pretty average in size. So what is the largest known star in the universe?

Although the sun is a million times the volume of Earth, a white dwarf is roughly the size of our Earth. Most of the white dwarf will consist of a special ultradense state of matter called ...

In 2018, scientists identified one such "twin" star of our Sun, with a similar size and chemical composition located less than 200 light-years away. Before we get too excited, however, it is worth ...

Giant bubbles of hot gas more than 75 times the size of our sun have been observed on the surface of a nearby star, which researchers say may lead to better solar computer simulations. Wouter ...

With the energy-producing region of our star shifted away from the center, the rest of the sun will be forced to respond. It will swell to many times its current size. With the outermost layers of ...