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

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

TOI-561 b is about 1.4 times the size of Earth and completes one orbit around its star in less than 11 hours, placing it in ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

We know Jupiter is the largest planet in our solar system, but we rarely observed or heard about ‘Hot Jupiter’, that are ...

The world's largest planetary defense drill is underway as scientists prepare for 3I/ATLAs to make its closest pass by Earth ...

Webb Telescope detects an atmosphere on TOI-561 b, a scorching rocky planet once thought too small and hot to hold onto its ...

An ultra-hot rocky exoplanet may be wrapped in a dense atmosphere, defying expectations about what small planets can sustain.

Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery ...

James Webb Space Telescope observations reveal atmospheric gases above the molten rocky exoplanet TOI-561 b, providing the strongest evidence yet of an atmosphere on a tidally-locked ultra-hot ...

Scientists are now analysing the entire data in depth to create a complete map of the temperature around the planet and ...