Scientists have revealed how much of the vast deep ocean floor humankind has observed, and it's a staggeringly small amount. According to a new study published May 7 in the journal Science Advances, ...

Explorers all well know that the Earth’s oceans are vast – covering about 71% of the surface of the globe – but according to a new study, just 0.001% of the deep seafloor has been visually observed.

We have visually explored less than 0.001 percent of the deep sea floor. To put that in perspective, 66 percent of the planet is deep ocean, and 99.999 percent of that ocean is unknown to us. Like ...

Bizarre creatures like vampire squid and blobfish make their home in the dark, cold, depths of the deep sea, but most of this watery realm remains a complete mystery. That's because humans have seen ...

Despite the deep ocean floor coating some 66% of our planet's surface, we haven't explored 99.999% of it, study finds. When you purchase through links on our site, we may earn an affiliate commission.