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.
Astronomers may have found the first observational indication of a strange quantum effect called vacuum birefringence.
Gravitational waves open a profound new vista on nature.
Testing Einstein’s masterpiece with ever increasing precision.
The technology behind LIGO’s epochal discovery.
Gravitational waves could also shed light on the microscopic world.