Curiosity’s first days on Mars
The inside story on the Mars Science Laboratory’s ambitious mission.
These videos show off some of the Mars Science Laboratory team’s greatest trials and tribulations.
How the Orion Nebula works
Sorting out the regions within this huge stellar nursery is helping astronomers understand how stars and planets form.
Each astrophotographer put his own touch on M41.
5 top discoveries of the Herschel Space Observatory
Europe’s great infrared satellite has revealed part of the spectrum never before observed. Here’s what we’ve learned so far.
The Herschel Space Observatory has captured many views of stellar birth — the environment and the various stages.
10 great hits from an obscure catalog
Start targeting Index Catalogue objects, and you’ll wonder why this massive list remains relatively unknown.
Browse 12 more nebulae and galaxies from this often-neglected list.
Totality rules Down Under
Baily’s beads, two diamond rings, and a pearly white solar corona will greet observers who witness totality from Australia the morning of November 14.
How you can fight light pollution
Starry skies don’t have to be a thing of the past. With three steps, you can help bring them back to your community.
“Astronomy” tests Celestron’s SkyProdigy 6
This 6-inch telescope sets a new standard for ease of use.