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Science / Science & Exploration

  1. DARPA’s planned nuclear rocket would use enough fuel to build a bomb

    The US is still regulating some enriched uranium based on an analysis from the 1950s.

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  2. Bird flu virus from Texas human case kills 100% of ferrets in CDC study

    H5N1 bird flu viruses have shown to be lethal in ferret model before.

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  3. Virgin Galactic has ceased flying its only space plane. Now what?

    This is a bold bet on the future, but it's by no means a certain one.

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  4. Ars Live: How Profitable is Starlink? Join our discussion on June 11

    How has Starlink has gone from zero to profitability in five years?

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  5. How the Webb and Gaia missions bring a new perspective on galaxy formation

    The Webb and Gaia telescopes have unearthed the early building blocks of the Milky Way.

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  6. The world’s largest fungus collection may unlock the mysteries of carbon capture

    Research is uncovering the key role that fungi play in getting soils to absorb carbon.

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  7. NASA is commissioning 10 studies on Mars Sample Return—most are commercial

    SpaceX will show NASA how Starship could one day return rock samples from Mars.

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  8. People are seizing, being intubated after eating microdose chocolates

    "Extreme caution" urged as at least 8 people in 4 states sickened, 6 hospitalized.

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  9. Ars chats with Precision, the brain-chip maker taking the road less invasive

    Precision tested its BCI on 14 people so far. Two more are scheduled this month.

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  10. New camera design can ID threats faster, using less memory

    New system is a mix of traditional camera and one that only highlights changes.

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  11. Bizarre egg-laying mammals once ruled Australia—then lost their teeth

    Finds may indicate what the common ancestor of the platypus and echidna looked like.

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  12. As leaks on the space station worsen, there’s no clear plan to deal with them

    "We heard that basically the program office had a runaway fire on their hands."

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  1. Rocket Report: Starliner soars to space station; Starship’s wild flight

    "This powerful rocket is the culmination of many years of dedication and ingenuity."

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  2. After a drama-filled day, Boeing’s Starliner finally finds its way

    "I think we’re missing something fundamental that’s going on inside the thrusters."

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  3. SpaceX’s Starship took a beating but held on for first return from space

    "I think we should try to catch the booster with the mechazilla arms next flight!"

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  4. These light paintings let us visualize invisible clouds of air pollution

    World Health Organization: Air pollution causes 7 million premature deaths per year

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  5. We’ve just had a year in which every month was a record-setter

    Last June was the warmest June on record. Every month since has been similar.

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  6. Boeing’s Starliner finally soars, but mission control reports more helium leaks

    Despite new leaks, mission control says Starliner can still dock with the space station.

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  7. Vaccines don’t cause autism, but the lie won’t die—in fact, it’s getting worse

    Vaccine misinformation persists as measles cases are soaring.

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  8. Mystery object waits nearly an hour between radio bursts

    Unlike earlier object, the new source's pulses of radio waves are erratic.

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  9. Ancient Egyptian skull shows evidence of cancer, surgical treatment

    “An extraordinary new perspective in our understanding of the history of medicine.”

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  10. Countdown begins for third try launching Boeing’s Starliner crew capsule

    Astronauts Butch Wilmore and Suni Williams have been in prelaunch quarantine for six weeks.

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  11. SpaceX is about to launch Starship again—the FAA will be more forgiving this time

    The FAA has approved a license for SpaceX's fourth Starship launch, set for Thursday.

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  12. Flawed, scandalous trials tank FDA expert support for MDMA therapy

    Bias, missing data, and claims of a new-age cult overshadow positive patient results.

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  1. The Hubble Space Telescope has lost a majority of its gyroscopes

    "We do not see Hubble as being on its last legs."

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  2. New recycling method makes solar cells even more environmentally friendly

    All the major elements in a solar panel can be reclaimed using less energy.

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  3. Much-derided BMI is useful for assessing fat levels in kids, study suggests

    Kids with high BMI were 29 times more likely to have high fat mass, study finds.

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  4. China lands on the Moon again, taking another step toward human missions

    The most dominant space storyline for the rest of this decade is the US-China race.

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  5. No physics? No problem. AI weather forecasting is already making huge strides.

    New model that predicts global weather can run on a single desktop computer.

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  6. To pee or not to pee? That is a question for the bladder—and the brain

    The basic urge to pee is surprisingly complex and can go awry as we age.

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  7. Is a colonial-era drop in CO₂ tied to regrowing forests?

    Carbon dioxide dropped after colonial contact wiped out Native Americans.

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  8. Boeing’s Starliner test flight scrubbed again after hold in final countdown

    The ground launch sequencer computer called a hold at T-minus 3 minutes, 50 seconds.

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  9. Here’s why a Japanese billionaire just canceled his lunar flight on Starship

    "I feel terrible making the crew members wait longer."

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  10. Daily Telescope: The most distant galaxy found so far is a total surprise

    "Its discovery has profound implications."

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  11. Nitrogen-using bacteria can cut farms’ greenhouse gas emissions 

    Nitrogen fertilizers get converted to nitrous oxide, a potent greenhouse gas.

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  12. Boeing’s Starliner capsule poised for second try at first astronaut flight

    "It is safe, and that is why we determined that we can fly with what we have.”

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