The small saturnian moon Dione passes in front of the ringed planet, bringing its tiny shadow along for the journey.

Saturn reaches opposition this month, Neptune lingers near Saturn, Mars transits the Beehive, and Jupiter is occulted by the ...

The ringed planet reaches opposition and the Moon occults Jupiter in a rare event not to be missed in the sky this week.

Planet Venus comes to a halt against the background stars; catch it shortly after sunset along with Mercury, before the pair ...

Tonight’s a two-for-one deal as the Double Cluster shines in Perseus’ northwestern corner, ready for wide-field or closeup ...

The solar system’s most distant planet is now at opposition and looking its best. Search it out after dark using optical aid.

Scientists once thought luminiferous ether pervaded the cosmos. Michelson and Morley’s ingenious experiment to find it ...

The 192nd asteroid discovered in the main belt is now at its best, located within a diamond shape of brighter field stars.

Neptune reaches opposition this evening at 10 P.M. EDT, placing the planet at its best for viewing. However, with the nearly ...

A space rock struck the Moon in 2024, carving a 728-foot crater. Two new studies show how the impact reshaped the lunar ...

Jupiter and its four Galilean moons — (from left to right) Ganymede, Io, Callisto, and Europa — sit near the Moon’s limb in this photoillustration depicting the jovian system’s orientation a few ...

A 155-year-old typo made an 1848 train delay in England look like the earliest case of space weather disrupting technology.