The Arrival of Tree Roots May Have Triggered Mass Extinctions in The Ocean

NASA Launched an Inflatable Flying Saucer, Then Landed It in the Ocean — The LOFTID mission tested a novel approach to guiding spacecraft through the extreme heat of returning from orbit, which could be used to put people on Mars

Filmmakers Find Section of Destroyed Space Shuttle Challenger on Ocean Floor

Section of destroyed shuttle Challenger found on ocean floor