The Universe's Dark Secret: Where Did All the Antimatter Go?

March 25, 2019
Electrons and their antimatter counterparts, positrons, interact around a neutron star in this visualization. Why is there so much more matter than antimatter in the universe we can see? (Image: © NASA's Goddard Space Flight Center)

The universe ought to be swimming with antimatter, and scientists aren't quite sure where it all went. Paul Sutter, community outreach coordinator at the Center for Cosmology and AstroParticle Physics, explains the conundrum. 

It's a cosmic whodunit.

WFIRST could find more than 1,400 new planets

February 25, 2019
Andromeda Galaxy

The study, by a team of astronomers at The Ohio State University, provides the most detailed estimates to date of the potential reach of the Wide Field Infrared Survey Telescope miss