The Sun
Sunlight, through a mechanism separate than vitamin D production, energizes T cells that play a central role in human immunity, researchers have found.
An international team of scientists, including researchers from the University of Chicago, has made the rare discovery of a planetary system with a host star similar to Earth's sun.
Old star offers sneak preview of the future.
Planet Nine the undiscovered planet at the edge of the solar system appears to be responsible for the unusual tilt of the Sun, according to a new study.
At first glance, Proxima Centauri seems nothing like our own Sun.However, new research shows that it is sunlike in one surprising way.
For at least a billion years of the distant past, Earth should have been frozen over but wasn't. Scientists thought they knew why, but a new modeling study has debunked that long-accepted scenario.
A new theory's calculations suggest that tidal forces from Venus, the Earth and Jupiter can directly influence the Sun's activity.