The Universe has long inspired curiosity and awe, compelling scientists and philosophers alike to explore its origins and ...

The Universe presents an extraordinary level of balance that has fascinated scientists and thinkers for centuries. From the ...

In one new theory, it is possible that dark matter exists in a mirror universe where there are only dark versions of forces ...

UC Santa Cruz physicist Stefano Profumo has put forward two imaginative but scientifically grounded theories that may help ...

Our anniversary celebration begins with an outstanding collection of stories about times that science itself has made a full ...

That cosmologists cannot agree on one of the most elementary facts about the universe is striking enough. But that ...

If there is a beginning time point for the Age of Scientific Reversal, it may be 1887—the year when Albert A. Michelson and ...

The end of the cosmic dark ages and the start of cosmic dawn mark the time when the universe as we know it began to take shape. We can’t see back to this cosmic era. But by detecting faint, long ...

The universe is vast. As far as we can see in any direction, we are in a small portion, or bubble, of the whole entire universe. That bubble is about 90 billion light years across. Yet, as ...

Let’s say there are 100 billion billion habitable worlds (planets or moons) in the universe. Suppose we are such pessimists that we think life’s chances of getting started on any given ...

Wheeler’s idea of the participatory universe was initially seen as being a little too far out and was not pursued by the scientific community when he proposed it in the 1970s, said Dr. Alexei ...

The model describes a universe born 13.8 billion years ago, in a colossal spark known as the Big Bang, and composed of 5 percent atomic matter, 25 percent dark matter and 70 percent dark energy.