Like stretch marks left on skin that expanded too quickly or cracks embedded in freezing ice, cosmic strings are artifacts of ...

Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing ...

We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole new model to account for gravity’s influence.

There's a lot of the universe that we've come to fully understand already—and some scientists suggest that we've arrived near ...

Astronomers found evidence that dark matter and neutrinos may interact, hinting at a "fundamental breakthrough" that ...

How many electrons are there in the Universe? One bold theory suggests that there could only be one, although this theory has ...

There are still some great mysteries of our universe that physicists can't explain. How is that possible? Join us as we break ...

In A Nutshell A black hole in the early universe is eating 13 times faster than a classic physics rule says is possible It’s ...

Japanese astronomers have discovered an extraordinary supermassive black hole in the early universe that ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

For centuries, the principle of symmetry has guided physicists towards more fundamental truths, but now a slew of shocking ...

Space is filled with a variety of objects, some blisteringly hot, some tremendously cold, but areas with little to nothing at ...