Our solar system used to have nine planets. Astronomer Mike Brown ... “Because of its large mass, it would have a high internal energy that could sustain, for example, subsurface oceans.

Our solar system may ... the outskirts of the solar system is the activity within the Kuiper Belt, an unusual clustering of icy bodies -- including comets and dwarf planets -- which stretches ...

is one of the most breathtaking sights in our solar system. With stunning visuals captured by the Cassini probe, explore this gas giant in incredible 4K resolution. Witkoff says US ‘finally ...

Jupiter has 79 moons and is known as the 'king of the planets ... of Jupiter and Comet Shoemaker-Levy 9 — or propel them out of the solar system entirely. But that same gravity can still ...

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

With the recently completed Visible Tunable Filter (VTF), the dynamics of solar plasma can now be fundamentally analyzed in high resolution. Similar to weather forecasts on Earth, this will make ...

What are the weirdest worlds in our solar system, and how did they come to be? From a dwarf planet that looks like a deflated football, to a tiny moon with cliffs taller than Mt. Everest, to the ...