SUNNYVALE, Calif., April 3, 2024 /PRNewswire/ -- Cepheid today announced that Xpert® HIV-1 Qual XC has been awarded World Health Organization (WHO) prequalification. Inclusion on the prequalification ...

New research offers the most precise measurements yet of pulsating Cepheid stars, which may hold clues about the immense size and scale of our universe. Cepheids are a type of variable star that ...

Cepheid variable stars exhibit regular pulsations whose period directly correlates with their intrinsic brightness (absolute luminosity). The Leavitt law establishes this relationship between ...

The long-awaited findings show strong support for the standard model of cosmology — with one exception. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Ninety years ago, Harvard astronomer Henrietta Leavitt spent years painstakingly examining thousands of sky photographs to search for and study variable stars. Her laborious hunt led to the discovery ...

Cepheid stars have predictable brightness changes linked to their periods. This period-brightness relationship lets astronomers calculate a Cepheid's distance. Hubble found a Cepheid in the Andromeda ...

Radiometer urgent and acute care testing specialists, will unite with Leica Biosystems and Cepheid to spotlight the breadth and scale of the Danaher Diagnostics portfolio. This year's unified presence ...

The discovery that the universe extends beyond the Milky Way galaxy was a pivotal moment in astronomy. In 1925, astronomer Edwin Hubble identified a Cepheid variable star, known as V1, in the ...