Some 200 of the mission’s surviving scientists and engineers and their families, along with many younger space explorers inspired by the Vikings, gathered to celebrate the 40th anniversary of the Viking 1 landing.
The winners of the 7th annual Earth & Sky Photo Contest highlight the fragile beauty of our heavens.
The Chambliss Amateur Achievement Award, issued annually by the American Astronomical Society (AAS) "for exemplary research by an amateur astronomer" if there is a suitable candidate, goes to Darryll LaCourse of Marysville, Washington.
As the IAU General Assembly in Hawaii'i draws to a close, the results were still coming in: a new bevy of dwarf galaxies discovered around the Milky Way, the celebration of the first Dark-Sky Sanctuary, and a new directly imaged exoplanet to boot.
Do sunspots affect climate change? How can you name an exoplanet? Here are the latest results from the world's largest astronomy conference.