/ Dark Energy Content for 51�ԹϺ��� Davis en /blog/taking-dark-energy-out-equation <p><span>Mathematicians are challenging the idea that dark energy is responsible for the accelerating expansion of the universe.</span></p> May 27, 2026 - 2:24pm Katherine E Kerlin /blog/taking-dark-energy-out-equation /news/doing-without-dark-energy <p>Three mathematicians have a different explanation for the accelerating expansion of the universe that does without theories of “dark energy.” Einstein’s original equations for General Relativity actually predict cosmic acceleration due to an “instability,” they argue in paper published recently in <em><a href="http://rspa.royalsocietypublishing.org/content/473/2207/20160887">Proceedings of the Royal Society A</a></em>.</p> December 13, 2017 - 3:38pm Andy Fell /news/doing-without-dark-energy