NASA will announce that they have an even huger announcement coming a week later, right before Congress decides whether to fund the next rover. Kind of like the FBI busting its annual 18-year-old retarded, coerced Terrorist of The Year right before Congress votes on their annual billion-dollar raise.
They're going to spend even more hundreds of billions of taxpayer dollars so people can go "Oooh, cool!" even more.
Bad News for Terraforming: Mars' Atmosphere Is Lost in Space http://www.space.com/31044-mars-terraforming-nasa-maven-mission.html