There's a new twist in the hunt for dark matter, the invisible substance that makes up 85 percent of all the mass in the ...

Now, researchers have discovered a strange energy source at the center of our galaxy that could be linked to a different type ...

For decades, black holes have been considered one-way destinations. Anything crossing the event horizon — the invisible ...

Michael Connelly has set his characters loose in a city of big dreams and lucky breaks. Now they’re facing an altered ...

Dark energy, the mysterious phenomenon that powers the expansion of the universe, may undergo periodic 'violent transitions' ...

Under this model, the black hole transitions into a white hole, with the hole's singularity and horizons defined as regions of extreme quantum fluctuations where time doesn't end or fade into forever, ...