In the evening sky, brilliant Jupiter is the brightest starlike object among the bright stars of the winter season, ...

The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have confirmed. However, the boundaries of celestial definitions are continually ...

Which planet is the furthest from the sun? Some may think it’s Pluto, but it’s actually Neptune. Learn more about this ice ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

The flare might just inspire a display of Northern Lights even in Illinois, Oregon, Alabama, and Northern California.

January is a good month for interesting planetary alignment. You will have a lot going on in the night sky. For most of the month, six out of the eight planets will be visible in the heavens. Mercury ...

It's time once again for the Perseid meteor shower! Meteors from this annual celestial display are remnants from the ancient comet Swift-Tuttle, which orbits the sun and deposits debris every 133 ...

Our Sun, that steady burning ball of gas that has faithfully illuminated Earth for billions of years, is slowly but ...

Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

The Sun's formation caused temperature differences in the surrounding disk of gas and dust. Inner, hotter regions formed rocky planets from less volatile elements. Outer, colder regions allowed ...

When most people think of astrology, they typically think of their zodiac sign, also known as their Sun sign—the one that ...