Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...

Traveling from one star to another is currently impossible to achieve within a human lifetime. But some projects are ...

Hot on the tail of the Quadrantids meteor shower, another spectacle in the sky is about to arrive: comet Atlas C/2024 G3, ...

A planet parade like the one beginning tonight is quite uncommon, occurring once every 10-20 years. Here are the planets you ...

Scientists have discovered a rare six-planet system where all planets orbit their star in perfect mathematical harmony.

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.

19, 2024 — Scientists have unveiled groundbreaking research on the origins of lunar water, offering insights that could reshape our understanding of the Earth-Moon system and the broader solar ...

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...

Since New Horizons' close encounter with Pluto 10 years ago, experts have come to think of the dwarf planet as much more ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

The Webb Telescope reveals new insights into icy planetesimals, shedding light on the early solar system's evolution.

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.