[SuperLuminal]

First of all, consider the source...
Popular Mechanics?
Good grief that means all those years I published were wasted in the wrong physics journals...

[flyover]

A web search will show more sophisticated scientific journeys have the same story.
The Universe is Getting Hotter - Is it Affecting Global ...

www.sciencetimes.com/articles/28166/20201111/universe-getting-hotter-affectin…

The universe is getting hot, hot, hot, a new study suggests
https://phys.org/news/2020-11-universe-hot.html

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It Turns Out That The Universe Is Getting Warmer - science ...
https://www.science-atlas.com/news/it-turns-out...

Universe is Getting Hotter, Says New Study | Astronomy ...
www.sci-news.com/astronomy/universe-getting-hotter-09037.html

The entire universe is getting warmer, just like Earth …

https://www.msn.com/en-nz/news/techandscience/the-entire-universe-is-getting-warmer-just-like-earth-but-different/ar-BB1aVrlO

What climate change is happening to other planets in the ...
https://skepticalscience.com/global-warming-other-planets-solar-system.htm

Sun Blamed for Warming of Earth and Other Worlds | Live ...
https://www.livescience.com/1349-sun-blamed-warming-earth-worlds.html