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Life on Mars could reach Earth by riding asteroid impact debris, new study suggests

New insights into a tiny, tough microbe have huge implications for the search for life beyond Earth

Americans trust federal scientists more than RFK, Jr., poll suggests

When it comes to health advice, more people trust the American Academy of Pediatrics and the American Medical Association than they do federal health agencies, according to a new poll

Measles outbreak erupts in one of U.S.’s largest ICE detention centers

Camp East Montana, one of the largest immigration detention facilities in the U.S., has reported 14 confirmed measles infections, triggering the El Paso center to close to visitors

Koala genetics show how species can bounce back from bottlenecks

Scientists have discovered a potential path out of devastating genetic bottlenecks that could help these Australian animals, as well as many other vulnerable and endangered species

Tylenol orders in pregnant people plummeted after Trump falsely linked the medicine to autism

An analysis found that, following Trump's claim that acetaminophen was linked to autism, orders for the drug for pregnant patients in emergency rooms dropped, while the number of children prescribed an unproven autism treatment increased

Notorious asteroid 2024 YR4 won't crash into the moon after all

Earthlings aren't the only ones safe from a city-wrecking-size asteroid. Future lunar inhabitants won't have to worry about a strike in 2032 either

Michael Pollan explains why AI will never replicate human consciousness

Michael Pollan tells Scientific American why the science of consciousness may ultimately be too subject to our own conscious minds to crack

Rampant growth of satellite mega constellations could ruin the night sky

Satellites are wonders of modern technology that have improved all of our lives. But having more than a million of them in orbit could destroy our view of the heavens and seriously damage our planet

Is AI conscious? Michael Pollan weighs in on the debate

Michael Pollan dives into the scientific and philosophical puzzles of consciousness, from brain biology to AI and beyond

People who know more about AI art find it less ethical

When people understand the system and process behind AI art, its moral implications become harder to accept

Mumps infections reveal that vaccine-preventable illnesses are resurging in the U.S.

Maryland is one of several states that are reporting cases of the infectious disease mumps, suggesting the return of diseases—like measles—that vaccines protect against

NASA must delay deorbiting the ISS, U.S. lawmakers say

U.S. lawmakers are moving to delay the International Space Station's retirement, giving more time for commercial replacements to be built

A quirk of geology explains Iran's oil—and why it's stuck in the Persian Gulf

A continental collision trapped oil within what is today Iran. The same collision explains why that oil is trapped behind the Strait of Hormuz now

NASA changed an asteroid’s orbital path around the sun, a first for humankind

Smashing a spacecraft into a binary asteroid system has managed to alter its path around the sun, a new analysis reveals

Why replacing Anthropic at the Pentagon could take months

Swapping out one AI model on a classified network for another takes minutes. Retraining the people who've learned to rely on it will take much longer