December opens with Jupiter dropping into the sunset. On the 3rd, Saturn, Venus and Jupiter form a diagonal line with Jupiter in the sun’s afterglow and brilliant Venus almost exactly midway ...

Capricorn is the zodiac’s steady, goal-oriented mountain goat, climbing tirelessly to reach the summit. But what happens when ...

Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

Mars will appear to make an ultraclose approach to the moon on Sunday, after Jupiter had a turn earlier this week. Here's how ...

Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the ...