Findings suggest the star N6946-BH1 directly collapsed into black hole.
Results show that the density of dark matter in a halo does not gradually fall off with distance, as might be expected, but instead exhibits a sharp edge.
The LHCb collaboration has generated high-energy collisions between protons and helium nuclei similar to those that take place when cosmic rays strike the interstellar medium.
A surprising result at the Max Planck Institute for Extraterrestrial Physics in Germany suggests that dark matter was less influential in the early universe than it is today.
After 13 years as the Courier’s Astrowatch contributor, astronomer Marc Türler is moving to pastures new.
Due for launch in 2020, ESA’s Euclid probe will track galaxies and large areas of sky to find the cause of the cosmic acceleration.
An international group of astronomers has made an independent measurement of how fast the universe is expanding.
A possible additional contribution from WIMP annihilation could not be identified, using NASA’s Fermi Gamma-ray Space Telescope.
Gravitational waves could also shed light on the microscopic world.
Astronomers may have found the first observational indication of a strange quantum effect called vacuum birefringence.