Kibble described these as slender strands (skinnier than a proton) of very concentrated mass-energy. These cosmic strings could stretch the length of the universe. A piece of this string only 1.6 ...

These cosmic strings could stretch the length of the universe. A piece of this string only 1.6 kilometers long would weigh more than the earth. Others have added to the theory: That symmetry still ...

Physicists have proposed a new model of space-time that may provide the 'first observational evidence supporting string ...

Physicists have proposed a new model of space-time based on string theory to explain dark energy. Their hypothesis suggests ...

Astronomers have discovered a rare group of five dwarf galaxies located relatively close to Earth; these galaxies exist in a near-perfect alignment, resembling a string of cosmic pearls in the sky.