DNA and RNA building blocks found in asteroid Ryugu samples, strengthening origin-of-life theory
A new study reports that samples returned from the asteroid Ryugu contain all five canonical nucleobases found in DNA and RNA, adding fresh weight…
Science
Scientists uncover how exercise may protect the aging brain by repairing its “leaky” vascular shield
The work centers on the liver enzyme GPLD1—previously linked to brain rejuvenation in exercising mice—solving a long-standing puzzle by showing GPLD1 doesn’t need to…
Injectable “mini livers” from MIT could offer a new lifeline for patients who can’t get a transplant
In mouse tests, the lab-grown grafts stayed alive for at least two months and performed key liver functions, raising hopes for a less invasive…
A rare blood moon will light up U.S. skies before dawn Tuesday — and there won’t be another total lunar eclipse until late 2028
North America gets the best view of the March 3 total lunar eclipse, with totality beginning at 6:04 a.m. Eastern and the moon turning…
NASA rewrites Artemis timeline, adds 2027 test mission and aims for yearly Moon landings after return to surface
NASA has announced a major change to the architecture and pace of its Artemis campaign, adding a new mission in 2027, keeping the Space…