Top 10 space stories of 2016
The most important stories of the past year are a tribute to insight, innovation, and emerging technology.
The final days of Cassini
As the mission nears its end, NASA’s probe will plunge into Saturn and meet its doom. But it still has some work to do first.
How can stars in the Milky Way be as far away as 900,000 light-years if our galaxy is 120,000 light-years across?
The Sky This Month
StarDome and Path of Planets
Sizing up planetary nebulae
The death throes of Sun-like stars create beautiful shapes that can range from a few tenths to several light-years across.
Is telescope making a lost art?
Believe it or not, good reasons abound for building your own telescope.
Two imagers are better than one
This husband and wife team is so dedicated to high-quality photos that they upgraded equipment, software…even their home.
Starmus III: A tribute to Stephen Hawking
The greatest scientist of our time was the central focus of this celebration of astronomy and music.
Finding patterns in the sky
Observing asterisms lets you catch new glimpses of old areas of the sky.