Scientists have learned a great deal about the universe, yet that knowledge represents only a small fraction of the full…
For the first time, researchers at Tel Aviv University have predicted what might be discovered by detecting radio waves that…
Immediately after the Big Bang, which occurred around 13.8 billion years ago, the universe was dominated by unimaginably high temperatures…
Astronomers have uncovered a vast cloud of energetic particles -- a 'mini halo' -- surrounding one of the most distant…
Astronomers have at last found the universe's missing ordinary matter, the particles that formed in the first few minutes after…
A USC-led research team has created a series of supercomputer-simulated twins of our Milky Way galaxy -- which could help…
Some of the brightest lights in the universe shine from some of its darkest corners — so-called supermassive black holes. Invisible…
Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the…
Ultrahigh Energy Cosmic Rays are the highest-energy particles in the universe, whose energies are more than a million times what…
Scientists have traveled to the edges of the solar system, virtually, at least, to capture the most accurate measurements to…