According to NASA.
Click here to read about the experiment confirming the Casimir effect which indicates the presence of "dark energy" causing the universe to expand forever. Money quote: “This vast and mysterious dark energy appears to gravitationally repel all matter and hence will likely cause the universe to expand forever.”
I find that very good news. The Universe is not a zero sum game afterall. If the universe is expanding then there is no fixed amount of energy or other "stuff" that must be divided/shared/hoarded, etc. As above, so below, it is said. This is very good news.