Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday. If dark ...

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday. If dark energy is ...

No matter how you skin it, folks don’t much like change, and the sight of a headless axe still causes consternation among the electric guitar and bass-playing ranks. Many brands have flirted with the ...

Some scientists think so, but others have challenged the claim that so-called "dark oxygen" is being produced in the lightless abyss of the seabed. The discovery -- detailed last July in the ...

The solar-powered Blue Ghost went dark on Sunday evening (March 16) after the sun set on its lunar locale, bringing an end to a highly successful two weeks of surface operations on the moon.

Unsurprisingly, music lessons were a struggle but, when he was about 17, he saw a strange guitar hanging in a pawnshop window in Downtown Los Angeles. “I had never seen anything quite like it ...