News
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EnvironmentWhat we know and don’t know about wildfire smoke’s health risks
As wildfires become more frequent and severe in California, Oregon and throughout the West Coast, concerns rise about harmful air pollution.
By Aimee Cunningham and Maria Temming -
AnthropologySeven footprints may be the oldest evidence of humans on the Arabian Peninsula
In what’s now desert, people and other animals stopped to drink at a lake more than 100,000 years ago, a new study suggests.
By Bruce Bower -
OceansUnderwater earthquakes’ sound waves reveal changes in ocean warming
A new technique uses the echoes of earthquakes in seawater to track the impact of climate change on the oceans.
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Health & MedicineBlood donations show that the United States is still nowhere near herd immunity
Testing donated blood for antibodies to the coronavirus highlights that the vast majority of the United States remains susceptible to infection.
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PaleontologyAncient Lystrosaurus tusks may show the oldest signs of a hibernation-like state
Oddball ancestors of mammals called Lystrosaurus might have slowed way down during polar winters.
By Susan Milius -
SpaceNeutrinos could reveal how fast radio bursts are launched
Highly magnetized stellar corpses called magnetars may be the source of two different cosmic enigmas: fast radio bursts and high-energy neutrinos.
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TechA Game Boy look-alike runs on solar panels and button smashes
A new prototype console that looks and feels like the original Game Boy harnesses user-generated energy to run without batteries.
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SpaceHow do you clean up clingy space dust? Zap it with an electron beam
An electron beam is the newest addition to a suite of technologies for cleaning sticky and damaging lunar dust off surfaces.
By Jack J. Lee -
SpacePhosphine gas found in Venus’ atmosphere may be ‘a possible sign of life’
Astronomers have detected a stinky, toxic gas in Venus’ clouds that could be a sign of life, or some strange unknown chemistry.
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EarthEarth’s rarest diamonds form from primordial carbon in the mantle
Chemical analyses of the rarest diamonds suggest the planet’s carbon cycle may not go as deep as scientists thought.
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Health & MedicineTreatments that target the coronavirus in the nose might help prevent COVID-19
Scientists are developing and testing ways to prevent the virus from settling in prime nasal real estate.
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Health & MedicineCollege athletes show signs of possible heart injury after COVID-19
Four of 26 college athletes, who had mild or asymptomatic COVID-19, may have had myocarditis, an inflammation of the heart muscle.