Every time a cell divides, it must copy its entire genome so that each daughter cell inherits a complete set of DNA. During that process, enzymes known as polymerases race along the DNA to copy its ...

Two new shows will debut this weekend on PBS following the end of the long-running "PBS News Weekend" program, which aired its last episode earlier this month due to a loss of federal funding. The ...

“PBS News Weekend” will sign off for good on Sunday after federal budget cuts forced the broadcaster to “rework” its staffing and programming. “PBS News Hour” anchors Amna Nawaz and Geoff Bennett ...

After more than half a century in operation, the nonprofit responsible for funding public media giants NPR and PBS will dissolve following millions in budget cuts spurred by the Trump administration.

In a first, scientists have extracted DNA from a Renaissance-era drawing attributed to Leonardo da Vinci, but they can't be sure that the genetic material belongs to the Italian polymath. When you ...

PBS has extended Ken Burns’ free streaming window for his history docuseries “The American Revolution,” following its ratings success. The 12-hour documentary series, directed by Burns, Sarah Botstein ...

Arkansas PBS will end its affiliation with the national PBS network on July 1, 2026. Current Arkansas PBS Passport members will retain their benefits until June 30, 2026. After the transition, ...

When cells proliferate, genomic DNA is precisely duplicated once per cell cycle. Abnormalities in this DNA replication process can cause alterations in genomic DNA, promoting cellular ageing, cancer, ...

The MCM helicase is broadly bound across the genome, and its phosphorylation is antagonistically regulated by the kinase DDK and the phosphatase RIF1–PP1. TRESLIN–MTBP recognises the phosphorylated ...

A push from state TV Board members that would have prevented series like 'Sesame Street' and 'NewsHour' from broadcasting in the state failed in a vote on Tuesday. By Kevin Dolak Alabama’s Public ...

DNA, often called the blueprint of life, is built from four chemical building blocks known as deoxy-nucleoside triphosphates (dNTPs)—dATP, dTTP, dGTP, and dCTP. Cells constantly need these molecules ...