The science of comets
Scientists have sent 12 missions to explore comets. Here’s what they’re learned about these relics from the early solar system.
Not all of the pictures made it into the magazine. Here are 10 more from Sarah Scoles’ trip to the stratosphere.
Comets: From superstition to science
For thousands of years, scientists thought comets lived within Earth’s atmosphere, and nearly everyone believed these celestial visitors delivered death and destruction with their tails.
Find out what late 19th- and early 20th-century newspaper reporters had to say about comets.
Illustrated: Anatomy of a comet
Slip into a coma, sweep up a dust tail, and brace yourself against the solar wind.
20 bright comets of the past 50 years
Each of these cosmic visitors of the past half-century told a unique story and captured the attentions of observers and imagers.
Just because of a comet isn’t “Great” doesn’t mean it isn’t worthy of observation.
Comet ISON blazes into glory
This frozen ball of gas and dust puts on a show in the predawn sky before reaching peak brightness in late November as it skims above the Sun’s surface.
Check out Astronomy.com’s complete coverage of this visitor from the outer solar system.
Totality crosses Africa
Exotic locations, safaris, and an eclipse’s shadow across the Dark Continent will lure travelers to this event November 3.
Review the last 12 terrific eclipses of the Sun.
A field trip to the stratosphere
Associate Editor Sarah Scoles takes a ride with SOFIA, a telescope that always flies first class.
In November 2010, the EPOXI spacecraft flew by the dusty snowball Hartley 2.