The supernova next door
Eta Carinae’s massive eruptions warn the superstar’s explosive destruction may come sooner than suspected.
Get the lowdown on Eta Carinae”s mysteries from astronomer John Martin.
The first new world
When William Herschel discovered Uranus in 1781 – the first planet found since antiquity – he opened a frontier astronomers are still exploring.
Three members of the Herschel family are giants among those who laid the foundation of today”s astronomical knowledge.
Saturn’s sweet surprises
New rings, long-lost spokes, and methane lakes highlight the Cassini spacecraft’s latest discoveries at Saturn.
Cassini”s cameras continue to perform magic at the ringed planet — although they can”t overshadow a terrific new Hubble movie.
Illustrated: Anatomy of a ringed planet
Saturn’s beauty comes at a cost – and it’s the moons that pay.
Explore forgotten Scorpius
To spice up your summer observing, zero in on these often overlooked deep-sky gems.
Use this Autostar tour with your computerized Meade telescope.
How I discovered digital astroimaging
An experienced skyshooter trades in film for pixels – and opens up a new world.
Rebirth of a classic: the Porter Garden Telescope
One of the last century’s most-celebrated small telescopes is set to make a comeback.
This month in Astronomy
Bob Berman’s strange universe
Glenn Chaple’s observing basics
Phil Harrington’s binocular universe
Tour Apollo landing regions through binoculars
Stephen James O’Meara secret sky
The sky this month