Halley wasn't the first to figure out the famous comet. An 11th-century monk did it first, new research suggests.
An 11th-century monk saw the famous "Halley's comet" first as a child and later as an adult, new research finds.
Space
AI spots 'jellyfish,' 'hamburgers' and other unexplainable objects in Hubble telescope data
AI helped researchers probe the Hubble Space Telescope's archive to find strange celestial objects, including some indescribable by science.
Giant 'metal cloud' in nearby star system could be hiding an undiscovered sun
Astronomers suspect that a massive metallic cloud swirling in a nearby star system could be hiding a giant planet or dwarf star from view, after it drastically dimmed a sun-like star for around nine months.
NASA is preparing for simulated launch of Artemis II mega moon rocket — and it could happen as early as Saturday
NASA has announced it will fuel the Artemis II rocket as part of a simulated launch that will take place as early as Saturday (Jan. 31).
Planet Earth
Critical moment when El Niño started to erode Russia's Arctic sea ice discovered
Scientists discover a tipping point that took place in 2000, where El Niño’s effect on sea ice loss in Siberia was amplified.
'Doomsday Clock' ticks 4 seconds closer to midnight
The Bulletin of the Atomic Scientists now says humanity is a metaphorical 85 seconds to global disaster.
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Ancient lake full of crop circles lurks in the shadow of Saudi Arabia's 'camel-hump' mountain
Earth from space A 2020 astronaut photo shows the oasis town of Jubbah lurking within a paleolake in the wind shadow of Saudi Arabia's "two camel-hump mountain."
archaeology
160,000-year-old sophisticated stone tools discovered in China may not have been made by Homo sapiens
Archaeologists have found the oldest known evidence of hafted tools in East Asia, and they challenge a previously held assumption about stone tool use.
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1,400-year-old Zapotec tomb discovered in Mexico features enormous owl sculpture symbolizing death
The president of Mexico called the discovery of a 1,400-year-old Zapotec tomb in Oaxaca the "most significant archaeological discovery in a decade."
Varna Gold: Humanity's first gold jewelry was found in a cemetery with a gold 'penis sheath'
Archaeologists found hundreds of burials in the Copper Age cemetery in Varna, Bulgaria, some of which were littered with gold artifacts.
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Animals
Rock climbers in Italy accidentally discovered evidence of an 80 million-year-old sea turtle stampede
Scientists say grooves on a rock face overlooking the Adriatic Sea may have been made by sea turtles fleeing an earthquake.
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Shark attacks in Hawaii spike in October, and scientists think they know why
Sharktober is real in Hawaii — and it's down to the reproductive pattern of predatory tiger sharks, an analysis of 30 years of data reveals.
'They are life, but not as we now know it': 26-foot organism that lived 420 million years ago is completely unknown branch of animal kingdom
An ancient and enormous organism called Prototaxites, initially found to be a type of fungus, may actually be an unknown branch of life, researchers say.
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Coyote scrambles onto Alcatraz Island after perilous, never-before-seen swim
Experts have reacted to a viral video of a coyote swimming to Alcatraz Island in what is a surprising first for the San Francisco Bay Area.
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Health & Human Behavior
Liquid-nitrogen-infused cocktail popped a man's stomach like a balloon
Liquid nitrogen can be used safely in food preparation — but one man's stomach burst after he threw back a cocktail that had been cooled with the substance.
IVF hormones could be delivered with painless 'microneedle' patch someday, early study hints
Scientists are developing a microneedle patch that they hope could someday simplify IVF hormone delivery. They've tested it in animals.
The UK has lost its measles elimination status — again
Measles has been spreading continuously in the U.K. for over a year, meaning the country has lost its elimination status.
People with more 'brown fat' have healthier cardiovascular systems. A new study in mice may explain why.
A mouse study shows that beige fat, previously known for its heating function, may also lower blood pressure by keeping blood vessels relaxed. The same may go for brown fat in humans.
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Life's Little Mysteries
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Space photo of the week
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Diagnostic dilemma
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Incredible places
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Earth from space
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Technology
Giving AI the ability to monitor its own thought process could help it think like humans
Today's best AI systems don't have a good grasp on their own thought process, but a new model might allow them to tap into metacognition
Next-generation AI 'swarms' will invade social media by mimicking human behavior and harassing real users, researchers warn
Artificial intelligence experts have warned that AI "swarms" are poised to infiltrate social media by deploying agents that mimic human behavior and exploit our tendency to follow the herd.
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Physics, Math & Chemistry
New study of chemical reactions in space 'could impact the origin of life in ways we hadn't thought of'
The complex building blocks of life can form spontaneously in space, a new lab experiment shows.
Standard model of cosmology holds up in massive 6-year study of the universe
The six-year Dark Energy Survey has released its full results, showing that two leading models of cosmology are equally valid — but both fail to explain one key observation.
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Dark matter and neutrinos may interact, hinting at 'fundamental breakthrough' in particle physics
Astronomers found evidence that dark matter and neutrinos may interact, hinting at a "fundamental breakthrough" that challenges our understanding of how the universe evolved.
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Quizzes & Games
Live Science crossword puzzle #28: Largest desert in Asia — 6 across
Science crossword Test your knowledge on all things science with our weekly, free crossword puzzle!
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Renpho Lynx smart ring review: Somewhat disappointing
Reviews The first fitness tracker made by wellness giant Renpho has some strong points, but it is unlikely to make serious waves in the smart ring industry.
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