The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

Hot Jupiters are giant planets initially known to orbit alone close to their star. During their migration towards their star, these planets were thought to accrete or eject any other planets present.

Saturn, the sixth planet from the Sun, is one of the most breathtaking sights in our solar system. With stunning visuals ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

You'll be able to view a rare alignment of planets this month and into February. Our astrotourism expert reveals the best ...

New observational data from the James Webb Space Telescope and simulation models have confirmed a new type of planet unlike ...

Two stars in Wolf-Rayet 140 collide, forming carbon-rich dust. Webb captured 17 expanding dust shells, revealing ...

"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't ...

A rare celestial phenomenon is about to light up the heavens, offering skywatchers a chance to marvel at the dynamic beauty ...

Space agencies around the world are setting their sights on new frontiers, with plans to explore Venus and other distant ...