Today is the 40th anniversary of the launch of Voyager 1. Four decades later, both spacecraft survive, still producing science, still working on their interstellar missions. On the occasion of the anniversary, we revisit Carl Sagan's reflections on the significance of the Voyager missions.
Along the western rim of Endeavour Crater, Opportunity forged onward in August vicariously taking the Mars Exploration Rovers team – along with a global contingent of mission observers all around Earth – downhill into Perseverance Valley and deeper into a new chapter in this legendary expedition of the Red Planet.
In 1979, both Voyager missions captured thousands of photos of Jupiter as frames of movies of the giant planet spinning among its moons. In honor of the mission's 40th launch anniversary, Ian Regan has reprocessed the data to produce stunning new movies.
Sunday, August 20 marks the 40th anniversary of the launch of Voyager 2. Tuesday, September 5, will be the 40th anniversary for Voyager 1. Throughout the next three weeks, we'll be posting new and classic material in honor of the Voyagers. Here's a preview.
Ravenna, population 1,400, sits on the plains of central Nebraska, and almost on the center line of the path of totality for the upcoming Great American Eclipse. Nebraska native Shane Pekny reports on how this small town is preparing for the big event.
With the North American Total Solar Eclipse coming on August 21, people across the continent are getting eclipse mania! Astronomer Tyler Nordgren has written a detailed book on eclipses with a special focus on the August 21st event.