Even if life never took hold on Ceres, the discovery could help broaden the range of environments that could potentially be ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Ceres is a small, cold dwarf planet in the asteroid belt between Mars and Jupiter, but billions of years ago it could have ...

With a diameter of 1,440 miles, Pluto is farthest from the sun. While major planets make roughly circular orbits, Pluto ...

Radioactive decay produced a warm internal ocean Dwarf planet Ceres, the unpleasant lump of icy rock orbiting between Mars ...

What can young planets teach astronomers about the formation and evolution of planets throughout the cosmos? This is what two ...

Fresh results from near-infrared instruments foretell a bright future for finding life elsewhere in the Milky Way ...

In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...

The researchers used the European Southern Observatory's Very Large Telescope (ESO’s VLT), located in the Atacama Desert of Chile, to identify this very young planet, named WISPIT 2b, which orbits a ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in our solar system.

The waning Moon passes Jupiter, Venus, and Mercury before dawn, while Titan’s shadow transits Saturn in the sky this week.