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From the blistering Sahara Desert to freezing Antarctica, extreme temperatures are not foreign to the 8.7 million species that inhabit Earth. However, Earth’s temperatures mostly fluctuate within a ...

The universe is getting hotter, a new study has found. The study probed the thermal history of the universe over the last 10 billion years. It found that the mean temperature of gas across the ...

Sandia's Z machine, built to generate radiation fields for validating models of nuclear weapons, has produced plasmas that exceed 2 billion degrees Kelvin — hotter than the interiors of stars.

The Milky Way's disk is surrounded by a gaseous envelope of an unimaginable temperature. This recent discovery puzzles researchers, who are trying to understand the mechanisms behind this extreme heat ...