A new study suggests that the planet’s icy interior and liquid ocean could be insulated with a three-to-six-mile-thick layer ...

The Max Planck Institute for Extraterrestrial Physics (MPE) researchers used data from the eROSITA All-Sky Survey.

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

A Southwest Research Institute-led team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids ...

Avi Loeb's controversial claim that a recent fireball resulted from an interstellar object is taking a hammering.

Our solar system used to have nine planets ... world called Eris in the Kuiper Belt — a vast ring of icy objects beyond Neptune’s orbit that also happens to be the former ninth planet ...

Our solar system resides in a unique low-density bubble called the Local Hot Bubble (LHB). Stretching at least 1,000 ...

The planet Jupiter has no solid ground – no surface, like the grass or dirt you tread here on Earth. There’s nothing to walk ...