Thomas says this goes for all outer planets: Jupiter, Uranus, Neptune and Pluto. “Jupiter and Saturn are the only outer planets that the ancients were aware of in previous times,” explains Thomas.

When a planet's orbit brings it between Earth and a distant star, it's more than just a cosmic game of hide and seek. It's an ...

The morning of April 24 will give rise to a striking mini-planetary parade, as Mercury, Venus, Saturn, Neptune, and Earth's ...

Gas giants like Jupiter and Saturn and ice giants like Neptune and Uranus are a major focus of current space missions and large telescopes, including the James Webb Space Telescope, in part because ...

To understand what happened to Pluto, we must actually go back ... eventually showed it to be much smaller than Jupiter, Saturn, Uranus, and Neptune. In many ways it more nearly resembled Triton ...

NASA's Juno revealed mushballs on Jupiter, reshaping our understanding of deep, violent gas giant storm systems.

The discovery of natural satellites on Saturn assists researchers in understanding the dynamics of orbits, resonances, and the stability of planetary systems in general ...

Fortunately, the month kicks off with a bang as Saturn meets with Uranus in a formidable sextile on April 4 ... Similar power struggles continue as the sun squares off with Pluto on April 23, ...