Sponge reefs were common on Earth millions of years ago but were only known from fossil records. For paleontologists, the find was akin to running across a herd of apatosauruses in an unexplored ...

They say that, despite their distinction as one of Earth’s oldest lifeforms and the "key" role they play in sustaining coral reef ecosystems, marine sponges are vastly understudied. KÄ ne ...