Our solar system has two ice giants, Uranus and Neptune, but there may have been a third. According to a new study published ...

For years, astronomers have wondered why real-life versions of Tatooine are so rare. With thousands of confirmed exoplanets and countless binary star systems in our galaxy, planets orbiting two suns ...

Like Earth, Mars once had a strong magnetic field that shielded its thick atmosphere from the solar wind. But now only the magnetic imprint remains. What's long baffled scientists, though, is why this ...

What the swirling storms on alien worlds can tell us about the climate on Earth. Damond Benningfield A somewhat alarming new phrase entered the American lexicon when parts of the United States were ...

Everything that has a beginning will have an end. From organisms to planets, the arc remains the same for all parts of the universe, even for one of the most vital and vibrant planets of the solar ...

Nearly all of the planets in the solar system are about to march through the night sky in a single-file line. This planetary alignment, sometimes called a planet parade, will include all of the solar ...