An oddly tilted object beyond Neptune moves in perfect sync, one orbit for every ten of Neptune’s, and scientists are intrigued.

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

Aeolian bedforms are common on Earth and across the solar system, including on Mars, Venus, Pluto, the Saturn moon Titan, the Neptune moon Triton, and Comet 67P. These geological features, among the ...

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...

Chinese scientists propose 2033 Neptune orbiter mission Scientists are proposing China’s first ice giant mission, aiming to ...

Mercury is notoriously difficult to see from Earth, thanks to its proximity to the Sun. But on July 4, Mercury reaches its ...

Tired of being ignored, Neptune’s moons spark a revolution—with Triton caught in the middle 🚀 20 Historical Figures Whose True Evil Was Only Discovered After Their Death 10 Cheapest New ...

The Moon might have been once part of a terrestrial binary. When it came too close to Earth, the planet caught one of them and repelled the other rocky object.

At opposition, the planet will be visible as a blue dot with good binoculars and telescopes. High-powered telescopes may also be able to catch a glimpse of Neptune’s brightest moon, Triton.

Sometimes, astronomy is like a forensic investigation: We can't just rerun the past, so we have to study clues to figure out what happened. And the outer solar system contains one striking crime scene ...

Neptune has 14 known moons. With the exception of Triton, all of Neptune's moons are very small, and they come in two general flavors: regular and irregular. The regular ones orbit close to the ...