This artist's concept illustrates a hierarchical scheme for merging black holes. Credit LIGO/Caltech/MIT/R. Hurt (IPAC) In a breathtaking leap for astrophysics, the LIGO-Virgo-KAGRA (LVK) ...

When scientists administered Betaine to aged mice, the results were stunning: improved metabolism, sharper thinking, and enhanced movement. In lab tests on human cells, it reversed signs of aging in ...

They often twirl around heavier ones, like our Milky Way, as satellite dancers. The dark matter distribution of a Milky Way ...