Square waves form when two wave systems collide, creating dangerous ocean patterns that threaten boats and swimmers.

Researchers have found new evidence for a massive subsurface ocean on Mars, again raising the possibility of microbial life.

Researchers examining seismic data recorded on Mars say the have found evidence supporting the presence of liquid water deep ...

As the planet cooled, some of the water likely moved underground ... to form as sediments carried by tides and waves slope downward toward an ocean. “This stood out to us immediately because ...