Today in the history of astronomy, America’s first female astronomer is born.

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 ...

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

Join astronomer Patrick Moore and Queen's Brian May as they observe the 2004 transit of Venus in a newly released film. Watch ...

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.