A Saturn-sized planet circling a tiny red dwarf is rewriting what scientists thought was possible in planetary systems.

The sun is quite an ordinary star, some what smaller than the average visible stars.It has a diameter of 864,000 miles, a surface temperature of 6,000° C. which increases to an estimated ...

The white dwarf we see today was once a star similar to the sun but eventually ran out of fuel, swelled up into a red giant, a few 100 times the size of the sun.

The star, named WD 0525+526, is located about 128 light-years from Earth. Though it appeared rather standard at first glance ...

A white dwarf is what remains after a sun-like star swells up to a red giant during the star's evolution. Red giants burn through their hydrogen fuel and expand, consuming any planets near their path.

Alpha Centauri A, four light-years from Earth, may host a gas giant. If confirmed, no Earthlike planets orbit in the star’s habitable zone.

James Webb Space Telescope (JWST) has found compelling evidence for a new planet in the Alpha Centauri star system, our ...

Three images, showing dwarf planet 2012 VP113 in red, then green, then blue, were combined to reveal its path across the night sky A surprise monster may be lurking in our solar system. A newly ...