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ScienceAlert (RSS Feed)

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The Best in Science News and Amazing Breakthroughs https://www.sciencealert.com/feed

ScienceAlert (RSS Feed) 3 months ago

Why Interstellar Comet 3I/ATLAS Looks So Weird – And Why It's Not Aliens <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/11/Comet-3IATLAS-streaks-across-a-dense-star-field.jpg" alt="Comet 3IATLAS streaks across a dense star field, in an image composed of exposures taken through three filters, shown here as red, green, and blue."/>“But is it aliens?”

Why Interstellar Comet 3I/ATLAS Looks So Weird – And Why It's Not Aliens

On October 29, Comet 3I/ATLAS reached its closest point to the Sun.

ScienceAlert (RSS Feed) 3 months ago

'Young' Immune Cells Partly Reverse Alzheimer's Symptoms in Mice <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/11/Amyloid-and-microglia-cells-among-neurons-.jpg" alt="Illustration of amyloid plaques (orange) and microglia cells (red) among neurons"/>"A promising candidate to address age- and Alzheimer's disease-related cognitive decline."

'Young' Immune Cells Partly Reverse Alzheimer's Symptoms in Mice

Specially engineered 'young' immune cells could help to reverse the effects of aging and the damage to brain cells caused by diseases suc...

ScienceAlert (RSS Feed) 3 months ago

There's One Predator in The Ocean Instilling Terror in Great White Sharks <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/11/shark-face.jpg" alt="There's One Predator in The Ocean Instilling Terror in Great White Sharks"/>And its hunting strategy is nothing short of ingenious.

There's One Predator in The Ocean Instilling Terror in Great White Sharks

There's one beast in all the ocean that strikes terror even into the heart of the great white shark, once regarded as the most fearsome predat...

ScienceAlert (RSS Feed) 3 months ago

Tesla in Australia Struck by Mystery Object And It Could Be a World First <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/impact-windscreen.jpg" alt="Tesla in Australia Struck by Mystery Object And It Could Be a World First"/>And you thought your commute was a horrorshow.

Tesla in Australia Struck by Mystery Object And It Could Be a World First (Updated)

An object that struck an Australian man's Tesla as he was traveling along a highway may have been a meteorite.

ScienceAlert (RSS Feed) 3 months ago

Our Universe Was Twice as Hot 7 Billion Years Ago, Study Reveals <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/11/IllustrationOfBigBangExplosionAndConeOfFormingGalaxies.jpg" alt="Our Universe Was Twice as Hot 7 Billion Years Ago, Study Reveals"/>This was before middle-age spread hit.

Our Universe Was Twice as Hot 7 Billion Years Ago, Study Reveals

When you open your fridge, you expect it to be cooler than your kitchen.

ScienceAlert (RSS Feed) 3 months ago

'Junk' DNA Could Be Recruited to Destroy Cancer Cells From Within <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/11/BlueDNAHelixWithSomeGoldenBasesAndOtherGlowyBits.jpg" alt="dna helix"/>Who's 'junk' now?

'Junk' DNA Could Be Recruited to Destroy Cancer Cells From Within

Sections of DNA once dismissed as dormant and useless could in fact be recruited to fight certain types of drug-resistant blood cancers, new resear...

ScienceAlert (RSS Feed) 3 months ago

Interstellar Comet 3I/ATLAS's Blue Shine Is Surprising Astronomers <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/11/Hubble-Space-Telescope-image-of-the-interstellar-comet-3IATLAS.jpg"/>Not your typical comet.

Interstellar Comet 3I/ATLAS's Blue Shine Is Surprising Astronomers

Comet 3I/ATLAS, only the third known visitor from beyond our Solar System, has been brightening far more rapidly than expected as it approaches per...

ScienceAlert (RSS Feed) 3 months ago

Men Need to Exercise More Than Women to Lower Heart Disease. Here's Why. <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/11/man_woman_running_header.jpg" alt="man and woman running"/>Get your weekly dose.

Men Need to Exercise More Than Women to Lower Heart Disease. Here's Why.

Exercise is like medicine for the heart, and just like with medication, you need the right "dose" for it to be effective.

ScienceAlert (RSS Feed) 3 months ago

Elite Athletes Are Only Human, And Scientists Have Found Their Limit <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/elite-female-athlete.jpg" alt="elite female athlete"/>Our bodies can't take much more.

Elite Athletes Are Only Human, And Scientists Have Found Their Limit

Elite athletes can push their bodies to the very limit, but even they can't surpass the boundaries of human nature, according to new research.

ScienceAlert (RSS Feed) 3 months ago

A Huge Number of Young Athletes Are Taking Creatine. Should They? <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/weight_lifter_creatine_header.jpg" alt="male weight lifting drinking from a bottle"/>One of the most widely used sports supplements across the world.

A Huge Number of Young Athletes Are Taking Creatine. Should They?

Creatine is one of the most widely used sports supplements across the world.

ScienceAlert (RSS Feed) 3 months ago

A Giant Magnetic Anomaly Over 500 Million Years Ago Can Finally Be Explained <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/Earth-Horizon-Sun.jpg" alt="A Giant Magnetic Anomaly Over 500 Million Years Ago Can Finally Be Explained"/>A pattern glimpsed in the chaos.

A Giant Magnetic Anomaly Over 500 Million Years Ago Can Finally Be Explained

Magnetic signatures hidden inside rocks tell us a lot about Earth's magnetic field and the way continents and tectonic plates have shifted ac...

ScienceAlert (RSS Feed) 3 months ago

Common Drugs Can Rewire Your Gut For Several Years, Study Finds <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/IllustrationOfColorfulMicrobesScatteredAcrossSoftPinkGut.jpg" alt="Common Drugs Can Rewire Your Gut For Several Years, Study Finds"/>"The effect of drug usage has been underestimated."

Common Drugs Can Rewire Your Gut For Several Years, Study Finds

Our gut is full of tiny creatures that help us digest our food, protect us from harmful intruders, and act as the telephone line between our digest...

ScienceAlert (RSS Feed) 3 months ago

Humans Used to Sleep Twice Every Night. Here's Why It Vanished. <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/sleeping-woman.jpg" alt="sleeping woman"/>Sleep wasn't always like this.

Humans Used to Sleep Twice Every Night. Here's Why It Vanished.

Continuous sleep is a modern habit, not an evolutionary constant, which helps explain why many of us still wake at 3 am and wonder if something&#03...

ScienceAlert (RSS Feed) 3 months ago

Secret Atomic Patterns Have Been Discovered Hidden Inside Metals <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/ScribblePatterns.jpg" alt="Atomic patterns"/>"People didn't see that coming."

Secret Atomic Patterns Have Been Discovered Hidden Inside Metals

When metal alloys are processed during manufacturing, the atoms of the combined elements are mixed together at random, according to conventional wi...

ScienceAlert (RSS Feed) 3 months ago

Tardigrades Have a Genetic Secret, And It Could Boost Human Resilience <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/tardigrade_hard_drive_header.jpg" alt="tardigrade"/>"A gene with a sequence unlike any other known to exist in nature."

Tardigrades Have a Genetic Secret, And It Could Boost Human Resilience

A newly discovered protein from Earth's toughest animal is inspiring breakthrough therapies for cancer and cardiovascular disease.

ScienceAlert (RSS Feed) 3 months ago

Trillionth-of-a-Second Camera Captures Chaos in Motion <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/speedy_shutter_header.jpg" alt="camera lens"/>Blink and you'll miss it.

Trillionth-of-a-Second Camera Captures Chaos in Motion

To take a picture, the best digital cameras on the market open their shutter for around one four-thousandths of a second.

ScienceAlert (RSS Feed) 3 months ago

Time Itself Could Be a Crucial Element in Preventing Dementia, Study Finds <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/OldWatch.jpg" alt="A cracked antique wristwatch face in an old woman's hand"/>Got a minute?

Time Itself Could Be a Crucial Element in Preventing Dementia, Study Finds

When did you last find yourself with some spare time on your hands? A lack of free time, or 'temporal inequity', could be contributing to...

ScienceAlert (RSS Feed) 3 months ago

This Week in Science: Blue Dogs, Gray Hair, a Mushroom Computer, And More! <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/TWIS-cover-Oct-26-Nov-1-1.jpg"/>Our weekly science news roundup.

This Week in Science: Blue Dogs, Gray Hair, a Mushroom Computer, And More!

This week in science: bright blue dogs spotted in the Chernobyl Exclusion Zone; the pros of going gray; a kind of computer memory made of mushrooms...

ScienceAlert (RSS Feed) 3 months ago

Oldest Air Ever Measured Found in Ice From 6 Million Years Ago <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/stripe-ice.jpg" alt="Oldest Air Ever Measured Found in Ice From 6 Million Years Ago"/>Hold your breath.

Oldest Air Ever Measured Found in Ice From 6 Million Years Ago

Ice excavated from deep under the surface of Antarctica has just yielded humanity's oldest directly dated samples of glacial ice and air ever ...

ScienceAlert (RSS Feed) 3 months ago

Chimps Can Revise Their Beliefs When Shown New Evidence, Study Finds <img width="1200" height="675" src="https://www.sciencealert.com/images/2025/10/thinking-chimp.jpg" alt="Chimps Can Revise Their Beliefs When Shown New Evidence, Study Finds"/>It's not just a human ability.

Chimps Can Revise Their Beliefs When Shown New Evidence, Study Finds

Chimpanzees can change their minds when the facts no longer support their previous beliefs – a rational level of thinking that was once considere...

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