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'Textbooks will need to be updated': Jupiter is smaller and flatter than we thought
Jupiter is smaller and flatter than scientists previously thought, new measurements of the gas giant reveal.
A deer carrying the rotting head of its vanquished foe and a playful lynx shortlisted for Wildlife Photographer of the Year Nuveen People's Choice Award
Here are the 24 images shortlisted for the Wildlife Photographer of the Year Nuveen People's Choice Award 2026.
Grim photo captures polar bear mom and cubs resting in mud in summer heat
An image of polar bears napping along the Hudson Bay coast in Canada has been shortlisted for the Wildlife Photographer of the Year Nuveen People's Choice Award 2026.
Asteroid 2024 YR4's collision with the moon could create a flash visible from Earth
If the building-size asteroid 2024 YR4 crashes into the moon in December 2032, the impact will produce a bright flash that may be visible to the naked eye, a new study finds.
Men develop cardiovascular disease 7 years before women
Men's heart health tends to decline earlier in life, and the difference is driven largely by coronary heart disease, which appears roughly a decade sooner in men than in women.
Auroras likely as most active sunspot in years turns toward Earth
The sunspot region 4366 fired off dozens of powerful solar flares in 24 hours, including the single strongest flare since 2024. Auroras are possible later this week.
Hydrogen leak derails Artemis II wet rehearsal, pushing launch date back by weeks
NASA has delayed the Artemis II launch until March at the earliest after engineers discovered hydrogen leaks during last night's wet dress rehearsal.
'Landmark' elephant bone finding in Spain may be from time of Hannibal's war against Rome
An elephant bone discovered in Spain may date to the time of Hannibal's battles against the Romans.
'System in flux': Scientists reveal what happened when wolves and cougars returned to Yellowstone
Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal their prey, cougars' shift from elk- to deer-heavy diets, paired with a rugged landscape for escape, might help cougars avoid violent wolf encounters.
In the search for bees, Mozambique honey hunters and birds share a language with distinct, regional dialects
People searching for honey in Mozambique work with birds via a shared language in a rare case of cooperation between humans and wild animals. This language also comes with regional dialects — that appear to be driven by the birds.
Scientists smash record for superposition, bringing quantum world tantalizingly close to reality
Researchers have demonstrated that a nanoparticle of 7,000 sodium atoms can act as a wave, creating a record-setting superposition.
Preserved hair reveals just how bad lead exposure was in the 20th century
A new study reveals the dramatic decrease in lead exposure in the U.S. following the establishment of the Environmental Protection Agency 55 years ago.
What is Moltbook? A social network for AI threatens a 'total purge' of humanity — but some experts say it's a hoax
A new social networking site exclusively for bots has sparked claims of AI inventing its own religion and plotting humanity's downfall. But experts say its real dangers lie elsewhere.
Enormous 'mega-blob' under Hawaii is solid rock and iron, not gooey — and it may fuel a hotspot
A new study reveals a detailed look at what lies beneath the Hawaiian hotspot.
Punxsutawney Phil predicts a long winter this Groundhog Day — but how much should we trust the prophetic rodent?
The rodent has been predicting the start of spring since 1887. But how good is Phil at his prognostications?
The Colorado River's largest tributary flows 'uphill' for over 100 miles — and geologists may finally have an explanation for it
Millions of years ago, the Green River carved a path through the Uinta Mountains instead of flowing around the formation. Now, researchers have discovered how this could have happened.
Artemis II simulated launch window opens tonight as NASA delays mission due to 'rare Arctic outbreak'
NASA's Artemis II simulated launch is scheduled for tonight after Arctic weather forced the mission to be delayed. The first crewed Artemis mega moon rocket could still leave Earth as early as this weekend.
'Nose-in-a-dish' reveals why the common cold hits some people hard, while others recover easily
Using a laboratory model of the human nose, scientists have investigated why the severity of common-cold infections varies so widely between individuals.
