The Ohio State University Center for Cosmology and AstroParticle Physics (CCAPP)
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Upcoming Events
Tue, September 22, 2026
Event Start Time: 12:00 pm
Event Location: PRB 4138 & Zoom
Event Location: PRB 4138 & Zoom
Tue, September 22, 2026
Event Start Time: 3:45 pm
Event Location: 1080 Physics Research Building
Event Location: 1080 Physics Research Building
Tue, September 29, 2026
Event Start Time: 12:00 pm
Event Location: PRB 4138 & Zoom
Event Location: PRB 4138 & Zoom
Wed, September 30
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Thu, October 1, 2026
Event Start Time: 12:00 pm
Event Location: PRB 1080 & Zoom
Event Location: PRB 1080 & Zoom
Recent News
Using helium, astronomers blow certainty into early Big Bang conditions
A study led by Ohio State University astronomers has refined measurements of the universe’s primordial helium abundance to an unprecedented precision of nearly 0.5%, down from previous 2%…
Using helium, astronomers blow certainty into early Big Bang conditions
New data fortifies modern physics insights, researchers say
New observations regarding the composition of distant galaxies reveal insights into the earliest phases of the universe that…
NASA's Roman telescope 'could not have happened without Ohio State'
About a year and a half ago, Ohio State University astronomy professor David Weinberg wasn't sure whether the Nancy Grace Roman Space Telescope would ever make it to space.
On Aug. 30,…
Ohio State Roman telescope team celebrates front row for historic mission
Faculty, students, and staff from The Ohio State University celebrated the successful launch of NASA’s Nancy Grace Roman Space Telescope—a mission aimed at uncovering the secrets of dark matter,…