How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Dwarf Planets Learn more about Pluto and other dwarf planets, which are defined as objects that orbit the Sun and are nearly round, but that have not been able to clear their orbit of debris. The ...

Life outside the Earth is one of the biggest "what if" in history, but NASA is trying to put a end to the discussion - or add ...

Journey back to 2015 when the Dawn spacecraft first orbited Ceres, the colossal dwarf planet in our inner solar system. Dive deep into the mysteries of this unique celestial body as we recall the ...

What was supposed to be a two-year stint turned into a long-term love story with Luxembourg. Ola, originally from Egypt and a ...

What methods can be used to identify subsurface oceans on the five largest moons of Uranus: Ariel, Umbriel, Titania and ...

A planet far, far away A possible dwarf planet, like Pluto, has been observed in our solar system, according to a preprint published in arXiv. The area of space where this planet was found was ...

The dwarf planet candidate’s closest point to the sun is about 7 billion kilometers, roughly 45 times that of Earth’s distance. One trip around the sun takes more than 24,000 years.

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's atmosphere, while at the same time giving methane and other organic ...

Why do we have a special day to celebrate space rocks? On June 30, 1908, a massive explosion over Tunguska in Siberia ...

NASA's discoveries reveal water's prevalence beyond Earth, from subsurface oceans on moons to vapor in exoplanet atmospheres. The Ocean Worlds initiative spearheads the search for extraterrestrial ...