Earth's spin has slowed. But we still may need a negative leap second.

A small slice of NASA's budget will now go to high risk, low cost, high reward missions, to test if recent innovations have made these concepts viable. It remains to be seen if the public will accept this approach. After all, says planetary physicist Rob Lillis “The public expects NASA to succeed.”

NASA's James Webb Space Telescope: The ultimate guide

Earth Sciences and the Climate Crisis