Now, Einstein's century-old theory may prove to be entirely wrong.

Phone conversations deepen scandal.

Mike finds himself "twinning" with twins while Snooki and Mike's dirty laundry is aired out.

Three European countries have decided to lead the way toward a future of sustainable green energy.

Nations reevaluate their energy policies - but they may have to sacrifice sustainability goals.

Some worry the charges will have a "chilling effect" on scientists.

One question from a Japanese girl proves to be harder to answer than he thought.

New report reveals cast won’t be allowed to drink alcohol everywhere in season four.

French officials also say they'll also intensify their airstrikes.

Now some government leaders say they're willing to work with the international community.