Scientists detected the gravitational waves after a pair of unusual black holes collided.
Did President Obama nearly kill a deal to avoid the fiscal cliff, as the Washington Post reports, by insisting at the last minute on Monday morning that any deal also include a delay in so-called “sequester” cuts in federal spending that were scheduled to take effect starting tomorrow?
What else happened in negotiations that took place out of public view, and what does it mean politically?
Robin Young and Jeremy Hobson are hitting the road. Our Tumblr brings you behind the scenes of our election coverage.