Black Hole Trio Questioned
New data shed light on last month’s exciting discovery of a black hole triplet – but they suggest instead that the threesome is really just a twosome.
Fingerprint from the First Stars
Astronomers might have found a star that was infected by the explosive death of one of the universe’s first stars.
Tour August’s Sky: Sagittarius and Scorpius
Late summer offers the Teapot of Sagittarius and the nearby arc of the Scorpion’s Tail in the evening, the Perseid meteor shower, and a spectacular pairing of Venus and Jupiter before dawn.
Happy Times for Comet Watchers
Seize the moment and bookend your next clear night with two fine telescopic comets: Jacques at dusk and Oukaimeden at dawn.
This Week’s Sky at a Glance, August 22 – 30
Sky & Telescope’s weekly celestial events calendar, with sky charts, offers selected astronomy sights for your unaided eyes, binoculars, or a telescope.
Find Clubs & Events Near You
Astronomy is often best enjoyed with other people. Explore our listings for clubs, star parties, and other public outreach events to find out more about the many ways you can become more involved in the astro community.