Dark Energy Confirmed: How ancient sound waves shaped the entireā€¦

Just 30,000 years after the Big Bang, the universe started singing. Vast soundwaves rang out and expanded through the primordial cosmos, their ripples determining the universe's large-scale structure. And this all fits perfectly with one particularly theory of dark energy. » 4/03/12 3:09pm 4/03/12 3:09pm

Two Ancient White Dwarf Stars Are Packed With Oxygen

Two newly-discovered white dwarf stars exhibit extremely odd properties, almost resembling planets. Their dense cores are exposed, shrouded in a layer of oxygen. Are these dying stars potentially habitable? » 11/13/09 8:00am 11/13/09 8:00am