The mysterious dark energy that's driving the universe's accelerated expansion may have its roots in the background 'vacuum energy' that pervades all of the cosmos.
A new experiment buried deep underground has proven itself to be the most sensitive dark-matter detector ever built -- but the first results from the high-tech instrument have turned up empty in its search for elusive dark matter.
A trio of relatively young astronomers won the prestigious Nobel Prize for Physics today, not for solving a problem, but for making an observation: our universe is expanding faster now than it did in the past.
Using one of the world's most powerful computers, South Korean scientists have recreated some of the large-scale structure of our observable Universe.
The long-awaited Dark Energy Camera (DECam) is online and preparing to unravel one of the universe's greatest mysteries.
Mysterious dark energy really is out there, pervading the cosmos, speeding up the expansion of the universe.
Researchers have narrowed down the size requirements for dark matter -- the elusive stuff that pervade the universe, lending mass but emitting no detectable radiation.
Say hello to "El Gordo," one of the biggest cosmic collisions you will ever witness.
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