Astrophysics & Cosmology
How can we figure out when the universe began?
Observations of this kind could lead scientists to the source of ultra-high-energy cosmic rays.
Our universe could be just one small piece of a bubbling multiverse.
The Fermi Gamma-ray Space Telescope creates maps of the gamma-ray sky.
The Large Synoptic Survey Telescope will take the most thorough survey ever of the Southern sky.