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September 2021

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132 articles

September 19
- Who was Herodotus?
- Why do the planets in the solar system orbit on the same plane?
- SpaceX Inspiration4 astronauts return to Earth with historic splashdown off Florida coast
September 18
- Who were the Knights Templar?
- Why don't we breathe equally out of both nostrils?
September 17
- Yoga for back pain: What you need to know
- Dyson Purifier Cool review
- How to breathe while running
- How to get fit
- Ötzi the Iceman: The famous frozen mummy
- Firefighters race to save the world’s largest tree as wildfires rage
- Explorers add 8 miles to world's longest known cave system
- Nearly 900 years ago, astronomers spotted a strange, bright light in the sky. We finally know what caused it.
- Mass grave of slaughtered Crusaders discovered in Lebanon
- Baby elephants frolicked in an ancient 'nursery,' fossil footprints show
- 'Flying dragon' fossil found preserved inside a rock in the Chilean desert
- New gravitational wave detector picks up possible signal from the beginning of time
- Bizarre tail on little dinosaur-age bird was literally a drag
- Horse tranquilizer crops up in overdose deaths around US
September 16
- 9 allergy season symptoms
- SpaceX launches four civilians into orbit on historic Inspiration4 flight
- Is running good for you?
- Slaughter of more than 1,400 dolphins in the Faroe Islands sparks condemnation worldwide
- Does running build muscle?
- Kids discover giant penguin’s fossil skeleton in New Zealand
- Human remains found inside 500-pound alligator. How common are alligator attacks?
- Read an excerpt from 'Pump: A Natural History of the Heart'
- Rare Bronze Age coffin uncovered on UK golf course
- A 10 billion-year-old supernova will soon replay before our eyes, new dark matter study predicts
September 15
- Do air purifiers help with allergies?
- 10 stretches to do every day
- Chagas disease: Cause, symptoms, treatment and prevention
- Giant squid: The real-life ocean Kraken
- Giant ice sheet towers over Scottish city like the Wall in 'Game of Thrones' in stunning video reconstruction
- Mysterious stone balls found in Neolithic tomb on remote Scottish island
- Why do primates carry around dead infants?
- Distant 'Requiem' supernova will be visible again in 2037, astronomers predict
- Chinese astronauts send back stunning images of Earth from Tianhe space station module (photos)
- Parade of life-size camel carvings in northern Arabia date to the Stone Age
September 14
- 99 million-year-old spider mummies reveal moms cared for teeny spiderlings
- Delta-8 marijuana products can be dangerous, health officials warn
- How 'Spider-Man' and 'Pac-Man' immune cells team up to fight invasive bacteria
- Deadly Nipah virus kills boy in India, prompts worries over outbreak
- Otherworldly 'time crystal' made inside Google quantum computer could change physics forever
- 1st 'atom tornado' created from swirling vortex of helium atoms
- If you 'heart' trivia about the heart, enter to win a copy of 'Pump'
- Travel through galaxies and the dark matter web in this stunning universe simulation
- Tick transforms into a glowing alien from a sci-fi nightmare in trippy photo
- Bizarre pig-faced shark found dead in the Mediterranean Sea. Is it real?
September 13
- Lumpy tumor shown on facial reconstruction of Neanderthal who lived on 'drowned land'
- Facts about tardigrades
- Do indoor plants purify air?
- The weirdest creatures to wash ashore
- What is the oldest-known archaeological site in the world?
- Cosmic objects with strange orbits discovered beyond Neptune
- Does the moon rotate?
September 12
- Why did the Maya civilization collapse?
- Archivist's vintage 'Images of Apollo' photo prints land on auction
- The 'megacomet' Bernardinelli-Bernstein is the find of a decade. Here's the discovery explained.
- Our Milky Way galaxy isn't very well mixed, study suggests
September 11
- Perseverance rover collects 2nd Mars sample (photos)
- In Hurricane Ida's wake, satellite images show oil slicks in Gulf of Mexico
- Why don't poisonous animals die from their own toxins?
- Milkweed butterflies tear open caterpillars and drink them alive
September 10
- What's the rarest blood type?
- Pfizer & BioNTech will soon seek approval for COVID-19 vaccine in young children
- Elusive angel shark shows off its ninja ambush skills in rare underwater footage
- The world’s fastest animals
- Super-precise clock tech wins $3 million physics Breakthrough Prize
- An 18-foot-long sea monster ruled the ancient ocean that once covered Kansas
- Do humidifiers help with allergies?
- Spectacular valleys and cliffs hidden beneath the North Sea
- Strict caps must be set on fossil fuel extraction to meet climate goals, study finds
- Air purifiers vs ionizers: What's the difference?
September 9
- Tyrannosaurs bit each other's faces in dino fight clubs
- Smoke sets off alarms on the International Space Station
- Air purifiers vs humidifiers: What's the difference?
- COVID-19 test caused man's 9-month-long brain fluid leak
- How do air purifiers work?
- Weird 'dog bone' asteroid could be a pile of cosmic rubble
- 2 scientists win $3 million 'Breakthrough Prize' for mRNA tech behind COVID-19 vaccines
- How do cats get their stripes?
- Stunning colorized footage provides a glimpse of the last known Tasmanian tiger
- The world turns sideways in trippy, glowing Earth photo from the International Space Station
- Is running good for weight loss?
- Does running burn fat?
September 8
- Strange, repeating radio signal near the center of the Milky Way has scientists stumped
- Cheetahs battle raging river in stunning photo. Did they survive?
- Helmet-headed Cambrian sea monster sucked up prey like a Roomba
- Gigantic 'shark-toothed' dinosaur discovered in Uzbekistan
- 1st sign of elusive 'triangle singularity' shows particles swapping identities in mid-flight
September 7
- This Australian bird's cry sounds just like a human baby
- What is the Paris Agreement?
- Farming brought burst of extreme violence to Atacama Desert, ancient mummies reveal
- Dark regions of the genome may drive the evolution of new species
- Antibiotics may raise colon cancer risk, massive study suggests
September 6
- Why is the color blue so rare in nature?
- Dense 'hot spots' on a young star reveal what Earth's sun may have looked in its infancy
- Satellite images show extreme flooding in New Jersey in the aftermath of Hurricane Ida
- An 'Internet apocalypse' could ride to Earth with the next solar storm, new research warns
September 5
- Why is alcohol used to preserve things?
September 4
- Why do we grind our teeth?
September 3
- Who will buy 'Big John,' the biggest triceratops ever found?
- What are antioxidants?
- Dead stars crashing into live stars may trigger a new type of supernova
- 'Red light' warning flashed during Richard Branson's historic spaceflight, Virgin Galactic insiders say
- Artistic giant Michelangelo was actually quite short
- Alien-like cookiecutter sharks terrorize animals of all sizes
- Got a cool pet? Enter to win this book on their prehistoric counterparts.
- 8-foot-tall pagan idol unearthed in Irish bog
- Health officials quietly moved the date of the 1st US COVID-19 death to January 2020
- World's largest rodents are taking over a fancy gated community in Argentina
September 2
- 'Perfect' Mars rock sample drilled from the Red Planet in historic mission
- Mysterious object called 'The Accident' has been careening through the Milky Way for 10 billion years
- 'What the heck is that?' Florida angler catches 'tortilla fish.'
- World's largest Martian meteorite goes on display
- Byzantine church dedicated to unknown martyr unearthed in Israel
- China wants to build a mega spaceship that’s nearly a mile long
- A quarter of sunlike stars eat their own planets, according to new research
- California's Caldor Fire seen from space in harrowing satellite images (gallery)
- Scientists discover on-off switch for bacteria that breathe electricity
- Do wolves wag their tails?
- New 'mu' coronavirus variant could escape vaccine-induced immunity, WHO says
September 1
- Huge, gold-standard study shows unequivocally that surgical masks work to reduce coronavirus spread
- Is a 'fetal heartbeat' really a heartbeat at 6 weeks?
- Why tiny tardigrades walk like insects 500,000 times their size
- Amazing Hubble telescope photo shows space 'sword' piercing huge celestial 'heart'
- Watch a supermassive black hole feast in mesmerizing new simulation (video)
- Is dark matter made of 'Fermi balls' forged in the Big Bang?
- Medieval Russians hid silver hoard before Mongol invasion
- Flu season will be bad this year, research predicts
- 7 megalodon shark facts that will blow your mind