How did Roman aqueducts get water to go uphill?
Roman aqueducts used gravity to transport water. So how did they get it to go uphill?
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Live Science
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Photojournalist Steve Winter on his iconic Hollywood puma image, the illegal tiger trade and having a black panther knock on his door
Live Science spoke with Steve Winter ahead of the release of "Big Cats."
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Does written language speed up or slow down cultural change?
The written word has been revolutionary in preserving ideas from the past, and transmitting new ones in the present.…
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'October is the ideal time to get vaccinated': Flu season is kicking off early, experts say
Flu tests are coming back positive at higher rates than is typical for early fall in several Western states, data…
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Self-driving, solar-powered cars that talk to each other? What vehicles might look like in 10 years.
Car technology is making rapid advances, and the car you will drive in 10 years may be very different from the one…
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Scientists have identified a 'protein signature' in blood that could predict healthy aging
Having a certain ratio of proteins produced by immune cells in your blood is linked to a higher risk of age-related…
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Cool chemistry trick allows new tattoos to 'turn on and off'
Researchers created multicolored tattoo inks that are activated by different wavelengths of light, allowing people to…
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Bronze ring with Lighthouse of Alexandria engraving discovered at palace on submerged island in Egypt
A bronze ring that depicts the Lighthouse of Alexandria has been discovered underwater in the remains of an ancient…
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South Korean 'robot dog' became first to run a marathon on a single battery charge — now we know how
A quadruped robot scampered more than 26.2 miles of uneven, hilly terrain alongside human runners without needing to be…
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Big dogs age faster at an epigenetic level, new study finds
A new study that tracked dogs' aging by reading tiny chemical tags on their DNA found that larger dogs aged more…
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'Freakish' discovery of 9 million-year-old capybara tooth supports idea that Atacama wasn't always a desert
A 9 million-year-old capybara tooth was found in the Atacama Desert, a surprising find given that these rodents love…
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James Webb telescope pinpoints the most distant 'fast radio burst' ever seen
The James Webb Space Telescope has detected the farthest "fast radio burst" ever seen, providing more clues about these…
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The Milky Way is one galaxy — but it used to be thousands, new simulations reveal
A new supercomputer simulation traces how thousands of small galaxies eventually became the Milky Way.
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Would you trust AI to calculate your true 'biological age'?
Scientists have developed various AI tools to measure people's biological ages. Would you use one?
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The central Pacific Ocean just broke a temperature record. Experts say it might signal a new kind of El Niño.
The sea surface temperature in a key El Niño region has exceeded 86 degrees F for the first time on record, hinting…
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Why are dengue cases surging in Florida this year? An 'unlucky' combination of factors, experts say
Dengue fever infections are booming in Florida this year, with more local cases than usual and the state's first…
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OpenAI claims we've entered the AGI era — has GPT-6 Astra really demonstrated general intelligence?
OpenAI says its newly launched GPT-6 Astra model brings humanity to the threshold of AGI, but external evaluators argue…
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Jonathan the tortoise has lived to 194 years old — now scientists think they know why
DNA samples from Jonathan the 194-year-old tortoise reveal gene variants and epigenetic changes that could contribute…
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'It looks like a chimera' — 168 million years ago, a strange platypus-like mammal relative lived in China alongside dinosaurs
A predatory mammal-like animal from the Jurassic seems to have characteristics of both a platypus and an otter.
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1,000-mile-long cloud that forms and vanishes on Mars every day obeys 'exotic physics' never seen on Earth
New simulations suggest that the perplexing Arsia Mons Elongated Cloud (AMEC) repeatedly emerges in the Red Planet's…
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'We stocked an RV as an emergency bugout vehicle': Readers share how prepared they are for a disaster
With extreme weather conditions becoming more frequent, having a disaster kit and other emergency plans can be…
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'Completely unexpected': Astronomers spy never-before-seen 'phoenix planet' rising from the ashes of a dead star
Astronomers have spotted a rare "second-generation" exoplanet closely orbiting the nearby white dwarf HS 0209+0832. An…
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'Sexy Mantis,' obscene orangutan and prancing sparrowhawk feature in 2026 Nikon Comedy Wildlife Awards
The Nikon Comedy Wildlife Awards has unveiled its finalists for 2026, so let's all have a good laugh at nature.
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The Draconids, an unpredictable shower that can bring hundreds of meteors per minute, has begun
Peaking on Oct. 8-9, the unpredictable Draconid meteor shower is one of the few that's best seen just after dark. Could…
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Woman 'saw dead people' and fired a gun at them after taking too many aspirin
Before visiting the emergency room, a woman fired a gun at hallucinations triggered by over-the-counter pills.
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'Zombie cells' may drive aging, and scientists are devising new ways to get rid of them
Immune cells that clear old and dying cells get sluggish with age. Scientists think that rejuvenating these cells could…
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Roboticists showcase tiny, frog-like robot that can hop across wet surfaces and swim
A palm-sized robot inspired by frogs uses snapping rods to jump, swim and navigate an obstacle course.
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Earth is in the firing line of a strange new type of cosmic object, astronomers say
Astronomers may have discovered the first known microblazar, a long-theorized object firing a powerful beam of…
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Archaeologists discover a child's skull built into the floor of a 2,500-year-old Scandinavian house
A study of nearly 200 individuals buried in domestic contexts in ancient and Viking Age Scandinavia has revealed…
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'She knew she had something really important on her hands': Rosalind Franklin figured out DNA's helical structure before Watson and Crick, study suggests
Rosalind Franklin knew about DNA's helical structure ahead of Watson and Crick, a new study of her photos and notes…
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Amazon Prime Day 2026: Best stargazing deals on telescopes and binoculars
Amazon Prime Day ends tonight, so this is your last chance to save on binoculars and telescopes.
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Lost 'heart' of the Colorado River shines like a silver serpent in Utah
A 2016 astronaut photo mosaic highlights a "sunglint" phenomenon that transformed Lake Powell into a winding metallic…
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'Mpox has not disappeared': Why the infectious disease is still spreading in the US and may be here to stay
Mpox (formerly monkeypox) continues to circulate in the U.S. Can it be stopped?
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Mpox is still spreading in the US — here's what to know about vaccines, symptoms and treatment
Mpox continues to circulate in many countries, including the United States. Here's what to know about the infection and…
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The ozone layer was supposed to be healing. So why is this year's Antarctic ozone hole so big?
The ozone hole above Antarctica is unusually large right now, and it might signal a shift in how the gap in Earth's…
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Jupiter will disappear behind the moon in a once-in-a-decade alignment tomorrow
Skywatchers in the U.S. and eastern Canada can see a rare lunar occultation of Jupiter early on Oct. 6. Here are the…
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