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April 2021

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121 articles

April 19
- What was the Deepwater Horizon disaster?
- Thousands of tons of microplastics are swirling around in the atmosphere, study finds
- Scientists probe mystery of 'thunderstorm asthma' event that sent thousands to the ER
- Were the first humans superpredators?
- NASA's Mars helicopter Ingenuity takes off on historic 1st powered flight on another world
- Wee footprint of baby stegosaur discovered in China
- 10 stunning natural wonders of the world you need to visit
- Watch two black holes bend the daylights out of space-time in this trippy NASA visualization
April 18
- Scientists paint best portrait yet of closest known fast radio burst
- Dying white dwarf stars may explode like a nuclear bomb
- Can a night owl turn into an early bird?
April 17
- Russia is going back to the moon this year
- Why were the ancient Egyptians obsessed with cats?
- US drug overdose deaths surged during COVID-19 lockdowns
April 16
- How to watch the Lyrid meteor shower
- Tiny Jurassic 'Monkeydactyl' has the oldest pair of thumbs on Earth
- As many as 2.5 billion Tyrannosaurus rexes once stalked Earth
- To become queen, these ants shrink their brains and balloon their ovaries (then, they reverse it)
- Man's energy drink habit lands him in the hospital with heart failure
- How are asteroids, space weather and space debris detected before they hit Earth?
- Trained dogs can smell coronavirus in your pee
- Prehistoric cannibal victim found in death cave ID'ed as a young girl
- Glowing, red-eyed rat fetus is global photo contest's gorgeously creepy winner
April 15
- COVID-19 booster shots may be needed within 12 months, US officials say
- Part-human, part-monkey embryos grown in lab dishes
- Will we ever know exactly how the universe ballooned into existence?
- Alphabet's 'missing link' possibly discovered
- Leaving middle seat empty lowers COVID-19 spread on planes, modeling suggests
- Bizarre neck bones helped pterosaurs support their giraffe-size necks and huge heads
April 14
- World's largest rabbit missing, presumed stolen
- 'Magic mushroom' compound may work just as well as antidepressants, small study finds
- What is an adenovirus?
- Antarctica's 'Doomsday Glacier' close to tipping point, unmanned sub reveals
- Is Bigfoot real? You likely already know the answer.
- Knife-wielding spider god mural unearthed in Peru
- Ancient people may have created cave art while hallucinating
- Experts worried after 4 dead gray whales wash up around San Francisco
- Your most distant cousin doesn't even have an anus
- Telescope lasers could give humanity an edge in war against space junk
- Pet dog buried 6,000 years ago is earliest evidence of its domestication in Arabia
- Millions of tons of nuclear wastewater from Fukushima will be dumped into the sea
April 13
- Long-necked dinosaurs migrated hundreds of miles, 'stomach stones' reveal
- Mom & baby giraffe trapped on a sinking island rescued in months-long operation
- After 48-year search, physicists discover ultra-rare 'triple glueball' particle
- Fireball meteor burns up over South Florida
- A third of Antarctic ice shelves could collapse at current pace of warming
- US may pause J&J coronavirus vaccines due to rare cases of blood clots
- 100,000-year-old Neanderthal footprints show children playing in the sand
- Can vaccinated people still spread COVID-19? Huge study tackles question
- Strange blue structures glow on Mars in new NASA image
- UK coronavirus variant not more deadly, just spreads more easily, studies find
April 12
- 5,200 tons of extraterrestrial dust fall on Earth each year
- Antibody cocktail helps prevent coronavirus infections in same households
- Baby born with three penises
- Yuri Gagarin: How the first man in space sparked a conspiracy theory
- NASA delays Mars helicopter Ingenuity's 1st flight to April 14
April 11
- Largest recorded smalltooth sawfish washes up dead in Florida
- Did Marie Antoinette really say 'Let them eat cake'?
April 10
- NASA to land 1st person of color on the moon with Artemis program
- NASA's Mars Helicopter Ingenuity is 'go' for historic 1st flight on Sunday
- Why do cats have belly 'pouches'?
- NASA detects rare 'double quasar' in ancient corner of the universe
April 9
- 3,000-year-old 'Lost Golden City' discovered in Egypt
- Pfizer requests FDA authorization for its COVID-19 vaccine in kids 12 to 15
- A woman's debilitating chronic itch disappeared after she started using marijuana
- Two satellites might collide at 32,000 mph over the Arctic today
- Explosive volcanic eruption rocks Caribbean island, as evacuations continue
- Quick guide: COVID-19 vaccines in use and how they work
- Astronomers detect a bright-blue bridge of stars, and it's about to blow
- The Great North American Solar Eclipse of 2024 is just 3 years away
- These endangered monkeys kept getting hit by cars. Scientists had a clever solution.
- 'Dark sirens' could solve one of the greatest mysteries in cosmology
- Europe's oldest map, a stone slab, unearthed in France
April 8
- People are taking an animal deworming drug for COVID-19, and it's a really bad idea
- Turtles complete seemingly impossible journey thanks to a hidden 'corridor' through the Pacific
- First 'Homo' species left Africa with ape-like brains
- Black holes: The darkest objects in the universe
- Earth nearly lost all its oxygen 2.3 billion years ago
- Masquerading, deadly snake discovered and named after shape-shifting Chinese goddess
- 'Ghost forests' are invading the North Carolina coast
- Cells age prematurely in those with depression, study suggests
April 7
- Rare autoimmune disorder caused a woman's nose to collapse
- A tiny, wobbling muon just shook particle physics to its core
- AstraZeneca COVID-19 vaccine causes very rare blood clots, EU regulator says
- Medieval gold coin hoards and skull ring discovered in Wales
- Chimpanzees: Intelligent, social and violent
- Mars Helicopter Ingenuity snaps 1st color photo on Red Planet
- SpaceX identifies cause of Starship SN11 prototype's crash
- HIV vaccine stimulates 'rare immune cells' in early human trials
- These viruses are the most likely to trigger the next pandemic, according to scientists
April 6
- Arctic walrus that drifted to Ireland is now hitching rides on passing ships
- Glitzy parade of 22 mummified pharaohs fills Cairo streets
- What's up with this weird green rock on Mars? Perseverance rover is trying to find out.
April 5
- 'Chaos of clicks and sounds from below' as 70 orcas kill blue whale
- Hungry baby sea stars eat each other in unexpected case of underwater cannibalism
- Researchers can now collect and sequence DNA from the air
- Florida officials race to drain huge wastewater reservoir before potential collapse
- Mysterious X-rays are flaring out of Uranus
- Spooky 'spiders on Mars' finally explained after two decades
- Debris from SpaceX rocket launch falls on farm in central Washington
- Interstellar interloper 2I/Borisov may be the most pristine comet ever observed
- China's Tianwen-1 spacecraft captures stunning crescent Mars photos
April 4
- Was Manhattan really sold for $24 worth of beads and trinkets?
April 3
- How long would it take to walk around the moon?
April 2
- Explorers dive to deepest known shipwreck
- Mysterious 'blobs' near Norway are full of squid mucus and embryos, study finds
- Coyotes: Facts about the wily members of the Canidae family
- Lab-made hexagonal diamonds are stronger than the real thing
- Lava tubes in Hawaii could be a dress rehearsal for Mars colonies
- NASA's Mars Curiosity rover snaps scenic selfie at 'Mont Mercou'
- These weird lumps of 'inflatons' could be the very first structures in the universe
- Mysterious brain infection makes bears act 'like friendly dogs'
- 1st Americans had Indigenous Australian genes
April 1
- Woman gives birth to twins conceived three weeks apart
- Pfizer's COVID-19 vaccine effective after 6 months and works against problem variant
- Antimatter cooled to near absolute zero by laser beam
- Dark matter could be made of black holes from the beginning of time
- Iron Age warriors were buried lying on feather-stuffed cushions, near a headless owl
- Dark matter 'annihilation' may be causing the Milky Way's center to glow
- What causes COVID-19 vaccine side effects?
- Chemical found in 1,000 processed foods may harm the immune system