science and technology

Salts in Gale Crater suggest Mars lost its water through drastic climate fluctuations

New data from NASA’s Curiosity rover suggests that water vacated Mars in fits and starts.




science and technology

Saturn unseats Jupiter as planet with the most moons in our solar system

Astronomers discovered 20 new moons around Saturn, bringing its total to 82.




science and technology

October Events: "Look Who's Driving" Screenings & Panel Discussions

This month, NOVA is hosting three events that will dive into how autonomous vehicles work, how they may change the way we live, and whether we will ever be able to entrust them with our lives.




science and technology

Refrigerators of the future may be inspired by the weird physics of rubber

A new refrigeration technique harnesses the ability of rubber and other materials to cool down when released from a tight twist.




science and technology

Meet the second confirmed interstellar object to enter our solar system

The comet, 2I/Borisov, comes from another planetary system, but bears a remarkable resemblance to local space rocks.




science and technology

To predict the next infectious disease outbreak, ask a computer

Mathematical modeling and AI can pick out patterns preceding epidemics that human brains can’t readily discern.




science and technology

Scientists retract study linking CRISPR baby mutation to early death

The study, originally published in June, contained an error that its authors caught months later.




science and technology

Lab-grown mini-brains highlight developmental differences between humans and great apes

In a new study, brain-like organoids made from human cells were slower to mature than their chimpanzee and macaque counterparts.




science and technology

World’s fastest-running ant scuttles over scalding Saharan sands at super speeds

Saharan silver ants don’t have the longest limbs. But they make up for it with a sprightly combination of fast pacing, light-footedness, and synchronized stepping that effectively turns their six legs into two.




science and technology

These 480-million-year-old conga lines preserve early signs of group behavior

Nearly half a billion years ago, marine arthropods called trilobites lined up single-file before meeting a tragic end.




science and technology

World’s loudest bird flirts by screaming in your face

Researchers aren’t sure how these birds maintain this deafening mating ritual without damaging their hearing.




science and technology

What caused Saturn’s strange spell of storms in 2018?

Researchers have uncovered a new category of giant storm on Saturn’s surface.




science and technology

Google says it just achieved “quantum supremacy.” Is it true?

If validated, Google’s new technology may bring us closer to a future of ultra-efficient computing.




science and technology

New fossils capture million-year timeline of life after the dinosaurs died

Thousands of fossils from Colorado show how plants and animals evolved together after an asteroid devastated life on Earth.




science and technology

Racially-biased medical algorithm prioritizes white patients over black patients

The algorithm was based on the faulty assumption that health care spending is a good proxy for wellbeing. But there seems to be a quick fix.




science and technology

New study more than triples estimates of people at risk from rising seas

Researchers used artificial intelligence to reevaluate elevations vulnerable to rising sea levels.




science and technology

Vampire bats form lasting bonds of ‘friendship,’ just like us

The relationships these winged mammals forge in captivity are strong enough to survive the jarring transition back into the wild.




science and technology

How measles virus triggers immune system ‘amnesia’

In addition to causing disease itself, the virus destroys immune cells trained to respond to other pathogens the body has encountered before.




science and technology

Poor-quality sleep could prime the brain for an anxious day

From a neurobiology perspective, anxiety and sleep deprivation look very much alike.




science and technology

Invasive, flammable grasses now blanket much of the United States

New research quantifies the fire risks of eight species of invasive grass.




science and technology

From ashes to AI: How technology puts a new lens on ancient texts

Recent breakthroughs in scanning, image processing, and machine learning are helping researchers read historic documents once considered lost to time.




science and technology

In a controversial study, DNA from today’s southern Africans hints at possible “homeland” for modern humans

But many questions remain about the true origin of the Homo sapiens species.




science and technology

Feast your eyes on the first-ever photos of a silver-backed chevrotain in the wild

The images confirm the species, which has been “lost” to science for 29 years, is alive and well in its native Vietnam.




science and technology

Anatomy professor uses 500-year-old da Vinci drawings to guide cadaver dissection

Leonardo da Vinci dissected some 30 cadavers in his lifetime, leaving behind a trove of beautiful—and accurate—anatomical drawings.




science and technology

How mechanical engineering could revolutionize the study of preterm birth

Scientists are using artificial cervices and 3D models of the uterus to better understand pregnancy and childbirth.




science and technology

How polar bear guards protect the largest Arctic expedition ever

A glimpse into the lives of the MOSAiC mission’s polar bear guards—and the powerful predators they watch for.




science and technology

Dogs, drones, and DNA: How eight “extinct” species were rediscovered

A giant tortoise, a seabird, and a gecko all went undetected by scientists for more than a century.




science and technology

Like Neanderthals, early modern humans used their teeth as tools

New findings bolster the argument that the two groups of early humans had a lot of behavioral similarities.




science and technology

Communities come face-to-face with the growing power of facial recognition technology

As law enforcement agencies deploy AI-powered facial recognition systems, some communities are pushing back, insisting on having a say in how they’re used.




science and technology

What’s up with Jupiter’s wandering magnetic field?

In 2018 and 2019, data from NASA’s Juno mission revealed new discoveries about Jupiter’s bizarre magnetic field.




science and technology

The top 10 science stories of 2019

Black holes, gene editing, and quantum computing wowed us—while new climate findings and racial bias in medicine brought renewed urgency.




science and technology

How “brown fat” helps you cope with cold weather

Shivering can activate a series of “heating stations” for your blood vessels—but they take a little while to get up and running.




science and technology

The 10 most popular NOVA stories of 2019

We’ve counted down our ten most-read articles of 2019 and found that health and medicine, physics—and of course animals—were fan-favorite topics this year.




science and technology

Experiencing Extremes: Plunging into Polar Pasts with NOVA to Reveal Future Climates

NOVA Labs Intern Chloe Nosan reflects on her experience working on the platform's newest resource on global climate change: The Polar Lab.




science and technology

NOVA Resources for At-Home Learning




science and technology

NOVA Marathons: Space & The Universe

Six episodes exploring the vast, mysterious, and powerful universe we live in.




science and technology

NOVA Marathons: Planet Earth

Six episodes exploring our unique and awe-inspiring planet.




science and technology

NOVA Marathons: Animals

Five episodes exploring the companionship, communication, and amazingness of animals.




science and technology

Take a Virtual Field Trip with NOVA Education

Join NOVA on three virtual field trips this month in celebration of Earth Day and Environmental Education Month.




science and technology

Scientists find warm water beneath Antarctica’s most at-risk glacier

Thwaites Glacier is melting fast. But to understand how climate change is driving its decline, scientists need to send instruments through 2,000 feet of ice into the water below.




science and technology

NOVA Marathons: Health & Medicine

Five episodes exploring the fascinating science and innovations in health and medicine.




science and technology

Five Technology Documentaries Streaming Right Now

Five episodes exploring the revolution and ethics of technology.




science and technology

Haitian Doctor Says This Is The Worst Epidemic He's Faced

A major health agency fears a humanitarian crisis. Migrant workers are returning home from the hard-hit Dominican Republic. Medical equipment is in short supply. And social distancing is improbable.




science and technology

Tyson's Largest Pork Plant Reopens As Tests Show Surge In Coronavirus Cases

The Tyson Foods plant in Waterloo, Iowa, reopened Thursday after a coronavirus outbreak there. Black Hawk County Sheriff Tony Thompson says he'd support a second shutdown if the changes aren't enough.




science and technology

Roy Horn Of Siegfried and Roy Dies of COVID-19 At Age 75

Roy Horn and his partner Siegfried Fischbacher thrilled audiences for decades doing illusions with big cats. Horn died Friday in Las Vegas of complications from COVID-19.




science and technology

Public Health Experts Say Many States Are Opening Too Soon To Do So Safely

By Monday, at least 31 states will be open or partially open, often in opposition to guidelines from scientists. President Trump has been pushing for the country to get back to work.




science and technology

COMIC: Hospitals Turn To Alicia Keys, U2 And The Beatles To Sing Patients Home

Call them victory anthems. Every time a patient with COVID-19 is well enough to be discharged, hospitals in New York and elsewhere play songs of celebration over the intercom. A doctor explains.




science and technology

Chief Medical Officer's Handling Of Coronavirus Inspires Alaskans To #ThinkLikeZink

Dr. Anne Zink works from a yurt 40 miles north of Anchorage. She has the ear of the Republican governor and has helped keep the state's number of COVID-19 deaths the lowest in the nation.




science and technology

Top 5 Moments From The Supreme Court's 1st Week Of Livestreaming Arguments

From a mysterious toilet flush to Justice Ruth Bader Ginsburg speaking from the hospital, here are the highlights — including audio clips — from a historic week for the high court.




science and technology

Reopening After COVID: The 3 Phases Recommended By The White House

President Trump wants businesses to start reopening after the coronavirus forced shutdowns. Here's what the White House task force recommends for states.