Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

NASA has rekindled interest in Uranus and Neptune by revealing a ground-breaking discovery regarding the two ice giants. Scientists have discovered thousands of distinct objects in the furthest ...

Earth's oceans are mysterious, largely unexplored places, but the enormous oceans of Neptune and Uranus have them beat.

But as you get farther out into the solar system, our knowledge becomes scarce. For instance, what’s inside the so-called ice giants, Neptune and Uranus? Recent research based on computer simulations ...

Its existence was predicted as astronomers searched for a "Planet X" to explain irregularities in Neptune and Uranus' orbits. At the time, Pluto was assumed to be a planet due to its orbit around ...

From January to March, the night sky will host a spectacular parade of planets featuring Venus, Mars, Jupiter, Saturn, Uranus, and Neptune. The alignment peaks on January 25 and Mercury joins the ...

Mars, Jupiter, Uranus, Neptune, Saturn and Venus all meet up together on the same side of the sun in a wide arc above Earth — and most are visible to the naked eye under clear night skies.

We'll see six planets – Mars, Jupiter, Uranus, Neptune, Venus and Saturn – but not all of them will be visible to the naked eye. You'll need high-powered binoculars or a telescope to see ...

Scientists at NASA for the first time have been able to observe the make up of Pluto ... than Neptune’s orbit. NASA says their paths reflect the migration of the ice giants Uranus and Neptune ...