The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact ...

Astronomers have uncovered a massive hidden planet and a rare “failed star” by combining ultra-precise space data with some of the sharpest ground-based images ever taken. Using the Subaru Telescope ...

The giants might've been kicked out, left to live a rogue lifestyle. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A nearby binary star system ...

The Sins of a Solar Empire 2 1.5 update overhauls the game's AI, turning its NPC factions from human-hating machines into ...

The first exoplanet ever discovered in 1995 was what we now call a "hot Jupiter", a planet as massive as Jupiter with an orbital period of just a few ...

Scientists watching the nearby Fomalhaut star system have directly seen two protoplanets smash together for the first time. Then, they saw it happen again.

Clocks on Mars tick faster by about 477 microseconds each Earth day, a new study suggests. This difference is significantly ...

Comet 3I/ATLAS has already rewritten the rulebook for how an interstellar visitor should behave, and now scientists are ...

That’s the future that NASA’s ESCAPADE, or Escape and Plasma Acceleration and Dynamics Explorers, mission will help unleash: ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t pose a threat to life ...

Interstellar comet 3I/ATLAS is giving planetary scientists something they almost never get: a fresh sample of material from another star system, lit up in ultraviolet like a forensic lamp on a crime ...

Gaia back-tracing points to 3 suspect star systems—G 137-55/54, AT Mic, and a G3V candidate. What fits, what fails.