“Einstein’s Biggest Blunder” may have finally been fixed (video)
The cosmological constant has plagued physicists for more than a century
Universe might be 2 billion years younger, new study suggests
Its age may have to be trimmed to less than 12 billion years, rather than prior projections of 13.8 billion
A distant Black Hole brightens every 9 hours and no one knows why (video)
Every 9 hours, it suddenly gets brighter