Parallels in the physics of the universe and that of black holes have led some cosmologists to wonder if our universe could have been born in a black hole. Photograph by NASA Goddard Gazing up at the ...
Theorists have found that a “warm” version of cosmic inflation is consistent with known physics, linking it to the hunt for ...
The observable universe is the portion of the cosmos that we can see or detect from Earth, limited by the speed of light and ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. Conceptual illustration depicting matter transitioning from a black hole to a white hole. | ...
WASHINGTON — Using data from NASA’s Wilkinson Microwave Anisotropy Probe (WMAP), scientists have identified an unexpected motion in distant galaxy clusters. The cause, they suggest, is the ...
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How Big is the Universe (Space Size Explained)

From our small blue planet to the farthest reaches of the observable cosmos, this breathtaking journey explores the true ...
According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could ...
Imagine being able to gaze at the very edge of the observable universe and witness a dazzling array of galaxies. NASA has now made this extraordinary experience possible by releasing an expansive map ...
Every good map has a “You are Here” marker. In this extraordinary version, said marker is at the very bottom of the map, and represents the entire Milky Way—in ...
It’s easy to envisage other universes, governed by slightly different laws of physics, in which no intelligent life, nor indeed any kind of organised complex systems, could arise. Should we therefore ...
BUFFALO, N.Y. — In the beginning, the world was empty and cold. Prior to the Big Bang — yes, before the Big Bang — the universe underwent a breathtaking cosmic expansion, doubling in size at least 80 ...
Gazing up at the stars at night, it’s easy to imagine that space goes on forever. But cosmologists know that the universe actually has limits. First, their best models indicate that space and time had ...