The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

The building blocks of life could have been delivered to Ceres by one or more space rocks from the outer asteroid belt. Using AI to comb through data gathered by NASA's Dawn spacecraft, scientists ...

"With an orbital period of 570 days, it is a relatively cold gas giant planet," said Guðmundur Stefánsson of the University ...

the dwarf planet's unique cryovolcanism, in which salty brine rises from the body's interior to the surface, is not responsible for the organic deposits discovered so far. These new findings help ...

A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only the second human survey of our solar system's innermost planet.

The organic material on the dwarf planet Ceres is probably of extra-Ceresian origin: a recent study concludes that asteroids from the outer asteroid belt that crashed into the dwarf planet brought ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where planets formed in the early universe.

the researchers looked for previously unknown deposits of organic material on dwarf planet Ceres. With its location in the middle of the asteroid belt between the orbits of Mars and Jupiter, the body ...

NASA's powerful James Webb Space Telescope has captured grains the size of a single bacterium that'll likely transform into planets.

A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

That’s because Pluto was downgraded from a “planet” to a “dwarf planet” in 2016 by the International Astronomical Union (IAU). However, this year a powerful new telescope is coming ...