Discover Magazine Newsletter – Hawaii Science Journal.

“Other ATLAS comet appears fragmented after close encounter with sun.”

Views expressed in this science, space, and technology update are those of the reporters and correspondents.

Accessed on 20 November 2025, 1945 UTC.

Content and Source: “Discover Magazine Newsletter.”

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Russ Roberts (https://hawaiisciencjournal.com).

11/20/2025

Every week, we bring you the discoveries, breakthroughs, and mind-bending facts that are shaping our future. Today, animals are at the forefront: an explanation for why dogs let out those deep sighs, what octopuses dream about, and the earliest evidence for human-animal interaction ever found.

THE SCIENCES

Other ATLAS Comet Appears Fragmented After Close Encounter with The Sun

While Comet 3I/ATLAS has been causing quite a stir, so too has a similar interstellar object. C/2025 K1 (ATLAS), another ATLAS comet identified in May 2025, appears to have broken into fragments as it flew past the sun.

KEEP READING

PLANET EARTH

Why Do Dogs Let Out That Long, Disappointed Sigh?

Dog owners are all too familiar with the dog sigh. Those long, heavy sighs a dog lets out may not always mean they’re disappointed in you. It’s possible it could mean just the opposite.

KEEP READING

THE SCIENCES

A Math Equation May Help Solve the Neanderthal Extinction Mystery

Math can help us solve a lot of mysteries, including how Neanderthals disappeared. A new mathematical model looks at how Neanderthals may not have actually gone extinct after all, they may have just become modern humans.

KEEP READING

Do Octopuses Dream? Their Colorful, Skin-Changing Sleep Cycles May Hold the Answer

Do octopuses dream? How their arms twitch, breath quickens, and skin changes color during their sleep cycle indicates that these ocean creatures might.

SECRETS OF OCTOPUS SLEEP

A 12,000-Year-Old Figurine Shows the Earliest Human–Animal Interaction Ever Found

Humans and animals have interacted for thousands of years and now, a newly discovered artifact may be the first ever depiction of an animal-human interaction ever found. The 12,000-year-old figure shows a woman with a goose on her back.

SEE THE FIGURINE HERE

A Rare Alabaster Vase Reveals the First Clear Evidence of Opium Use in Ancient Egypt

How people from Ancient Egypt used alabaster vases is still a mystery. However, new evidence found in a vase inscribed to Xerxes I indicates it may have been used for opium, some of the first evidence of its use in Ancient Egypt.

EGYPTIANS ON OPIUM

Hi ,

When an unknown object enters our Solar System, it can cause quite a commotion and wild speculation. Comet 3I/Atlas has been making headlines, and so has another comet, C/2025 K1 (ATLAS).

While C/2025 K1 (ATLAS) has been stunning star gazers for months as it changed colors from green to gold, recent images show that the colorful C/2025 K1 (ATLAS) has been fragmented into pieces after a close encounter with the sun.

There’s still more to learn — like why dogs let out those long sighs, and if octopuses dream — so keep reading and stay curious!

Erin Berge