Are they stars? Are they planets? Or are they neither? Some rogue planetary mass objects that wander the cosmos alone could ...

Giant Exoplanets in HR 8799 System Likely Formed Like Jupiter and Saturn The first exoplanet was discovered in the 1990s, but ...

Space is getting crowded — humans have now placed over 20,000 satellites into orbit since the start of the space age, and ...

Trained on the spectacular Flame Nebula, the Hubble and James Webb Space Telescopes went hunting for the smallest stars in ...

A fresh look at past data reveals that exoplanets with masses similar to Jupiter formed much sooner than previously thought, ...

"The goal of this project was to explore the fundamental low-mass limit of the star and brown dwarf formation process." ...

Their mass can be as low as two to three times the mass of Jupiter, a gas giant over 300 times more massive than Earth. (Webb could view smaller objects, but didn't find any.) "Webb, for the first ...

NASA's James Webb Space Telescope has captured direct images of multiple gas giant planets within an iconic planetary system.

With Hoffman’s execution, Louisiana joins Alabama as the only other state in the U.S. to use the controversial gas method on ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The ...

At the center of our galaxy, hidden behind dense clouds of gas and dust, the black hole Sagittarius A* rotates rapidly, ...

Astronomers have discovered a panoply of new moons orbiting Saturn, bringing the ringed gas giant's total up to 274 moons—far ...