NASA's Astronomy Picture of the Day for October 22, 2026 shows the first known green star: a white dwarf whose sodium-rich atmosphere would give it a chartreuse glow up close.
Researchers at Texas A&M found that excess RNA, including ordinary messenger RNA, can damage mitochondria and cut a cell's energy production during poxvirus infection.
Some people carry the strongest common genetic risk factor for Alzheimer's and stay mentally sharp into their 80s. New research from Columbia University points to fibronectin and the brain's blood-brain barrier as part of the explanation.
A randomized, double-blind phase 2 trial tested daily oral vitamin C in people with pre-cancerous blood disorders and early-stage blood cancers. Here is what researchers found, and why a larger trial is still needed.
NASA's Astronomy Picture of the Day for October 19, 2026 shows a 2-million-light-year radio structure shaped like a treble clef, likely a black hole's old outburst revived by a collision of two galaxy clusters.
A liver condition affecting nearly 30% of adults worldwide may actually be five distinct diseases, including genetic forms linked to faster progression, according to a new Mayo Clinic study.
The 2026 Nikon Small World in Motion competition drew 347 entries from 40 countries. After a late disqualification, a roundworm and a single-celled predator now hold first place. Meet the top three.
Penn State researchers strapped small weights to the legs of growing guinea fowl. As adults, those birds carried extra load without paying any extra energy cost, while their unloaded peers burned 23% more. What might this mean for human kids?
In mice, olive oil given before glucose blunted the early blood sugar rise by slowing the stomach and recruiting glucagon, GLP-1 and the vagus nerve. Here is what that does and does not tell us.