How old are sun-like stars? That's a good question, and it's one that astronomers have been struggling with for quite some time. Now, scientists have a new technique for measuring the age of a star by using its spin.
NASA's MESSENGER spacecraft and STEREO measurements have opened up a new way for scientists to understand exactly what's happening within our nearest star.
Scientists have found that the sun's atmosphere, called the corona, is even larger than thought and extends about five million miles above the sun's surface.
We all know that Earth can have a spell of bad weather, but did you know that our sun can have the same? Now, scientists have taken a closer look at this bad weather, revealing a bit more about the processes that shape our nearest star.
Astronomers have spotted an unusual series of eruptions form the sun, thanks to a suite of spacecraft.
Scientists have found that solar photons may actually drive water off of the moon, which means that researchers are unlikely to find water on the moon's sunlit side.
Global warming continues to be a problem for our planet. Yet scientists have long wondered whether solar activity has anything to do with it.
Astronomers are learning a lot more about solar surges, thanks to the 1.6-meter telescope at Big Bear Solar Observatory (BBSO). The researchers have analyzed the highest-resolution solar observations ever made, revealing a lot more about our closest star.
Sun-like stars don't just provide warmth to their planets. Scientists have found that these stars are "earth-eaters" and that during their development they ingest large amounts of the rocky material that form terrestrial planets.
Scientists have captured new, stunning images of Saturn's auroras as the planet's magnetic field is battered by charged particles from the sun.
Astronomers have now found our sun's first sibling--a star that was probably born from the same cloud of gas and dust as the sun.
Scientists have found that changes in tree-ring density in the Arctic may be evidence of changes in light intensity during the trees' growth. The findings have direct implications for the tree-ring divergence problem.