New research has revealed just how little we actually know about what lurks in the depths of the world's oceans.
Once, long ago in Earth's distant past, the planet's oceans may have turned a rather unusual color.
A theoretical futuristic megastructure known as a Dyson swarm could have dire consequences for our planet.
Something anomalous is thought to be frequenting our oceans and we still have no idea exactly what it could be.
Revisited data from the Voyager 2 probe seems to point to the possibility of not only oceans, but habitability as well.
The space agency is looking into the idea of sending robots to swim beneath the icy crusts of Europa and Enceladus.
Despite its cold, dry and barren exterior, Mars may be hiding large quantities of water beneath its surface.
A new NASA video shows a simulation of what would happen if all the world's oceans were to drain away.
A new study has revealed how long it took for the world's oceans to recover after the death of the dinosaurs.
Scientists have determined that Europa's ocean may be more like the Earth's oceans than previously thought.
It turns out that there are many times more marine viruses in the world's oceans than previously thought.
Scientists have determined how sea creatures living in the depths of the polar oceans become so enormous.
Just like the oceans here on Earth, Titan's hydrocarbon seas and lakes lie at an average elevation.
The space agency has discovered all the crucial ingredients for life in the oceans of Saturn's icy moon.
The find could make it much easier to search for evidence of extraterrestrial life in Europa's oceans.
An unconventional type of rover could be used to explore the oceans beneath Jupiter's icy moon.
An extinction event known as the 'Great Dying' wiped out most of the life on Earth 251 million years ago.
Scientists have revealed that Mars had so much water that it covered over half the northern hemisphere.
Despite its hellish conditions, Venus may have once had its own version of Earth's oceans.
The world's oceans have become a dumping ground for almost 270,000 tons of waste plastics.