People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the expanding sun will turn the inner planets into cinders. It will almost ...

The discovery of an Earth-like planet 4,000 light years away in the Milky Way galaxy provides a preview of one possible fate for our planet billions of years in the future, when the sun has turned ...

It's also dubbed the "most spotted star in the sky." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Sunspots, which are temporarily darkened ...

Astronomers have identified a giant planet circling a tiny red dwarf star at a distance so extreme that it sits about 690 times farther from its star than Earth is from the Sun. The discovery pushes ...

Unlike giant stars that explode into a supernova and collapse into a black hole, a medium star like Earth's sun just keeps on trucking until it runs out of nuclear fuel, suffering a more prolonged ...