Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The Rosetta probe's lander Philae landed on Comet 67P/Churyumov-Gerasimenko ...
It is classified as a non-periodic comet, meaning it is unlikely to return, unlike periodic comets like Halley's, which ...
While many backyard astronomers were waking up early to catch a glimpse of Comet Tsuchinshan-ATLAS and its stunning anti-tail, another comet was making its way through our solar system.