Hubble revisits stunning Trifid Nebula after 30 years, and spots a growing jet of energy — Space photo of the week

Hubble revisited the aquatic-looking Trifid Nebula 30 years after its original observations. (Image credit: NASA, ESA, STScI. Image processing: J. DePasquale (STScI)) Quick facts What it is: Trifid Nebula (Messier 20) Where it is: 5,000 light-years from Earth in the constellation Sagittarius When it was shared: April 20, 2026 There are speckles, horns, and a…

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Why do cats and dogs shake their heads?

Most cat owners are familiar with the funny head shake their pets do, often after eating, drinking or enjoying a nice cheek scratch ​​‪—‬ they flick their head back and forth a mile a minute. Dogs and other mammals are known to show similar behaviors. So why do our furry friends shake like this, and…

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