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

From the scorching surface of Mercury to the icy edges of Neptune, our planetary neighborhood is full of wonders. The order of the planets isn’t just trivia—it tells a story about temperature, ...

Scientists may have found the first planet ever detected around our closest “solar twin,” a star called Alpha Centauri A, the ...

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities.

A team of astronomers announced Tuesday that a new satellite measuring roughly 90 football fields across was discovered ...

Using NASA’s James Webb Space Telescope (JWST), scientists have discovered a tiny, previously unknown moon orbiting Uranus ...

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