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

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

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

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 ...

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