The Average Temperature of the Universe Is Getting Hotter

According to a new U.S. research  it appears that the Universe is actually getting hotter as time goes on. The mean temperature of cosmic gas has increased more than 10 times and reached about 2.2 million K.

Supermassive black holes in 'red geyser' galaxies cause galactic warming

Scientists are solving one of the biggest unsolved mysteries in galaxy evolution. Scientists have uncovered a new class of galaxies, called "red geysers," with supermassive black hole winds so hot and energetic that stars can't form.