Comets are common in the universe, but not a lot of them are frequent visitors to our solar system. Those that do take the ...

Potentially dangerous comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, ...

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...