"It might be nicer if NASA had found a way of spotting free oxygen."
Were it not for the fact that oxygen was poisonous to most of the original life forms on earth 
The Hubble Space Telescope has detected carbon dioxide (CO2) in the atmosphere of a planet orbiting a star 63 light years away. NASA says this is "an important step toward finding chemical biotracers of extraterrestrial life". NASA art depicting the 'hot Jupiter' HD189733b in orbit round its parent orange dwarf Nice …
The only Jimmy Webb I've heard of is the guy who wrote Galveston, McArthur Park, and other whimsical ditties.
Is NASA trying to fess up to something in a postmodern way? ("we'll fess up, but on no account can we appear to be fessing up"). Like, we NASA do whimsical ditties too, such as Is There Life on Mars.