Miles beneath the ocean there are numerous sunken lands just waiting to be discovered. How did these lost lands form, and ...

If oceans didn’t exist and there was only land between continents, traveling around the world would look very different! We’d likely have huge, continuous landscapes with forests, deserts, mountains, ...

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