from the arguements-over-hypothetical-science-ensue dept.
SpaceAdmiral writes "Nature is reporting that Dark energy, the hypothetical energy driving the universe's expansion, may not be as constant as previously thought. According to new research the strength of dark energy may be very different now than it was when the universe was young."
"Spock, did you see the looks on their faces?"
"Yes, Captain, a sort of vacant contentment."