Philae's historic landing on Comet 67P in 2014 provided crucial data on the comet's surface and internal composition, despite technical setbacks. The mission revealed organic molecules and temperature ...
The aurora in early October followed by the appearance of Comet Tsuchinshan-ATLAS the following week had me thinking about the rare events we observe in astronomy.
"We're naturally nosy; we want to meet our neighbors and have a look at what they're doing." Over the year, Rosetta recorded up to two bathtubs' worth of water vapor and 2,200 pounds (1,000 kilograms) ...