Many stars in our galaxy exist in pairs. Now scientists are finding clues that our Sun may once have had a companion of its own. The question is, where did it go?

As sunspots emerge on the sun's surface close to its equator, their orientations will match the old magnetic field, while ...

Many stars in our galaxy exist in pairs, but our Sun is a notable exception. Now scientists are finding clues that it may once have had a companion of its own. The question is, where did it go?

Vantage with Palki Sharma Recent studies suggest our sun may have had a long-lost twin— a cooler, smaller red dwarf star. If the star did exist, where did it go? Could it have influenced Earth's orbit ...

On April 8, 2024, the sun was totally eclipsed by the moon across parts of the U.S., Mexico and Canada. Described as maybe ...