Rumors are racing through the physics and cosmology communities this weekend that long-sought, Nobel Prize-worthy evidence for cosmic inflation driving the Big Bang will be announced on Monday, March 17th. A press conference for an unspecified "major discovery" is scheduled for noon EDT (16:00 UT) at the Harvard-Smithsonian Center for Astrophysics, just up the street from Sky & Telescope. We'll be there.

Word of what may be announced first broke into wide circulation late Friday night, when The Guardian newspaper in the U.K. published an article online, Gravitational waves: have US scientists heard echoes of the big bang? Here are excerpts:

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