The discovery of an extraordinary multi-planet system has demonstrated that so-called "hot Jupiter" planets may not be lonely ...

Hot Jupiters are believed to orbit alone close to their star, accreting any other planets. This observation was more convincing because there was a theory supporting it. The theory states that when ...

On Friday (Jan. 10), the moon will pass near Jupiter, meeting up with the gas giant in the constellation Taurus. Viewers can ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

A very rare parade of planets is happening right now. Here are the planets that will be visible tonight and where to look for ...

Alinda is one of the five largest near-Earth asteroids, coming closer than 9.3 million miles until the year 2200.

Smaller gas giants are less likely to survive in such systems, surrounded by clashing planetary titans. With their lower ...

From a death swirl into Jupiter to "Ghost Riders in the Sky ... China is preparing for an ambitious mission to scoop up pieces of a near-Earth asteroid, return them to Earth, and then explore ...

Nearly 415 years ago to the day astronomer Galileo Galilei discovered the moons surrounding Jupiter looking through his ...