Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

NASA's latest discoveries about Jupiter have revealed astonishing new insights into the largest planet in our solar system.

Most of the stars across the Milky Way are small red dwarfs like TOI-6894, which has only 20% the mass of our Sun ...

To mark the 60th anniversary since the first U.S. spacewalk, we’ve compiled a collection of 10 awesome images captured during ...

Dozens of NASA's missions to explore the cosmos could be in jeopardy under a budget proposal from the Trump administration.

Astronomers spotted water around a young, sun-like star for the first time ever, and it could help us understand solar system formation.

NEW YORK (AP) — Scientists have unlocked one of the solar system’s many secrets from an unexpected source: a planetarium show ...

As for today, the environments on Mars that could potentially support life are few and far between, and it's all about ...

For centuries, astronomers have sought to understand the formation and evolution of the solar system and the dynamics that govern it. In particular, there is the long-standing question of whether or ...

The chemical composition of WASP-121b suggests that it formed in a cool zone of its natal disc, comparable to the region of ...