A long-simmering disagreement over the universe’s present-day expansion rate shows no signs of resolution, leaving experts ...

Ellipses are defined as curves that surround two focal points. At any point on the ellipse, the sum of the distance to both ...

observing a steady flickering of light punctuated by occasional bright flares as material is drawn inward by its enormous gravitational pull. Reuters, the news and media division of Thomson Reuter ...

Constantinos G. Vayenas explores the roles of neutrinos, quantum mechanics, and special relativity in baryogenesis ...