Watch the full 'Worm Moon' wriggle into the sky on March 7

The March full moon is known as the Worm Moon. It will be at its fullest at 7:40 a.m. EST on March 7, 2023.

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How big can animals get?

Animals, especially those on land, can't grow indefinitely. The reason has to do with the square-cube law.

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Bright new comet discovered zooming toward the sun could outshine the stars next year

The newly discovered comet C/2023 A3 is making a close approach around the sun for the first time in 80,000 years, and might be as bright as a star in fall 2024.

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How many hearts does an octopus have?

Octopuses are odd: They have more than one heart and they have copper-rich blue blood.

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World's 1st horseback riders swept across Europe roughly 5,000 years ago

The world's first horseback riders swept across the steppe roughly 5,000 years ago, a new skeletal analysis of tombs across Europe and Asia reveals.

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Orca appears to adopt (or abduct) a baby pilot whale

Researchers have recorded an orca swimming with a pilot whale calf in a possible interspecies adoption, but how the two came together is a mystery.

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'Prehistoric' mummified bear discovered in Siberian permafrost isn't what we thought

The bear, unearthed in 2020, was originally assumed to be an extinct cave bear that dated back at least 22,000 years. But a new necropsy reveals it is actually a brown bear that lived 3,500 years ago.

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