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Why is DeepSeek such a game-changer? Scientists explain how the AI models work and why they were so cheap to build.
By Ben Turner last updated
DeepSeek's V3 and R1 models took the world by storm this week. Here's why they're such a big deal.
4,000-year-old footprints near Pompeii show people fleeing Mount Vesuvius eruption thousands of years before the famous one
By Kristina Killgrove published
Footprints from people and animals feeling the eruption of Vesuvius in 1995 B.C. were recently discovered in a town near Pompeii.
FDA approves 1st new class of opioid-free painkillers in over 20 years
By Patrick Pester published
The FDA has approved Journavx, an oral medication for treating pain that doesn't target the brain like addictive opioids.
FDA approves 'ketamine' nasal spray for depression — here's everything you need to know
By Emily Cooke published
A nasal spray that contains esketamine — a potent derivative of ketamine — can now be taken on its own to treat adults with severe depression, the FDA says. Here's what that means.
New wonder material designed by AI is as light as foam but as strong as steel
By Ben Turner published
The new technique could produce materials for use in helicopters, airplanes and spacecraft.
Commenting on Live Science articles
By Alexander McNamara published
We’re launching a commenting system on our site — here’s how to join the conversation on Live Science.
Was Alexander the Great eaten by sharks? Inside the wild theories for what happened to the iconic ruler's body.
By Jennifer Nalewicki published
The remains of Alexander the Great may lie under the streets of Alexandria, they may have been "eaten by a shark," or they may be somewhere else entirely. But one thing is certain: Archaeologists don't agree.
How did Alexander the Great die?
By Owen Jarus published
Alexander the Great died at age 32, but his cause of death is unclear. What killed him has been a long-standing source of debate.
Medieval 'vampire' burial in Croatia contains decapitated and twisted remains
By Tom Metcalfe published
The "vampire" find illustrates a popular fear that the "undead" could rise from their graves.
'Zombie' spiders infected by never-before-seen fungus discovered on grounds of destroyed Irish castle
By Patrick Pester published
A new fungus that infects cave spiders and turns them into "zombies" was discovered in a Victorian gunpowder store at Castle Espie in Northern Ireland during filming for a TV show.
Gigantic 500,000-mile 'hole' in the sun's atmosphere aims aurora-sparking solar wind at Earth (photo)
By Daisy Dobrijevic published
The gigantic coronal hole is blasting high-speed solar wind toward Earth, potentially igniting vibrant auroras and minor geomagnetic activity on Jan. 31.
'Gossiping neighbors': Plants didn't evolve to be kind to each other, study finds
By Jess Thomson published
Rather than helping each other out when they're attacked, plants may have to eavesdrop on each other to know when to launch their own defenses.
'Vestigial' human ear-wiggling muscle actually flexes when we're straining to hear
By Clarissa Brincat published
A mechanism that activates specific muscles in our ears is a leftover from our evolutionary past, back when our ancestors depended more on their hearing for survival.
Upheaval Dome: Utah's 'belly button' that has divided scientists since its discovery
By Sascha Pare published
Upheaval Dome is a giant rock formation in southeastern Utah with two potential origin stories, although most scientists think it was created by an ancient meteor strike.
How accurate are Punxsutawney Phil's Groundhog Day forecasts?
By Live Science Staff last updated
The rodent has been predicting the start of spring since 1887. But how good is Phil at his prognostications?
Could we travel to parallel universes?
By Paul Sutter published
Let's explore the possibility of traveling to universes beyond our own — if they so exist, that is.
'Breakthrough' stem-cell patches stabilized woman's heart as she awaited transplant
By Jess Thomson published
A woman with heart failure was kept alive long enough to receive a heart transplant, in part thanks to newly developed stem-cell-derived heart tissue grafts.
Newly discovered near-Earth asteroid isn't an asteroid at all — it's Elon Musk's trashed Tesla
By Harry Baker published
Astronomers have retracted the discovery of a new asteroid after realizing the object was the remains of Elon Musk's Tesla Roadster and its driver "Starman," which were launched into space in 2018.
Are Atlantic Ocean currents weakening? A new study finds no, but other experts aren't so sure.
By Sascha Pare published
A new study suggests the Atlantic Meridional Overturning Circulation has not weakened since the 1960s — but there's no doubt the circulation will slow in the future, experts say.
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