Today in the history of astronomy, the first record of a periodic variable star is made.

The first of two Titan shadow transits this month occurs this morning — can you catch the big, black shadow crossing Saturn’s ...

August brings Saturn and Neptune together, offers two shadow transits of Titan, and sees a conjunction of Venus and Jupiter.

Neptune and Saturn appear together in a telescope as Mars passes a star in Virgo and Titan’s shadow transits Saturn in the ...

Scientists are turning to simulations and experiments to understand how life-indicating molecules behave, so we might know ...

Today in the history of astronomy, an eclipse in Scotland is associated with the death of King Henry I – over two years later ...

Mars remains an evening fixture, Saturn is nearing opposition, and Venus and Jupiter meet in the predawn sky Aug. 12.

With our satellite half-lit, several features stand out for easy observing tonight, including dark seas and bright craters.

The Skyfall concept reimagines Mars landings, deploying a six-helicopter swarm to autonomously scout for resources and future ...

Morning and evening observers can catch shooting stars from both the Southern Delta Aquariids’ peak and the ramp-up of the ...

There's so much more to Andromeda than its eponymous galaxy. Here's a list of other targets to observe in the Princess.

There's so much more to see than the famous Messier Catalog. Here's a list of gorgeous NGC star clusters to observe on the ...