Best of 2025: Artemis II Countdown Demonstration Test
Artemis II crewmembers (left to right) NASA astronauts Christina Koch, mission specialist; and Victor Glover, pilot; CSA (Canadian Space Agency) astronaut Jeremy Hansen, mission specialist;
Category: Science
‘Night owls’ may have worse heart health — but why?
Emerging evidence suggests that “night owls” are more likely to have poor heart health and a higher risk of heart attack or stroke than “morning
Microbes in Iceland are hoarding nitrogen, and that’s mucking up the nutrient cycle
A study in Iceland found that microbes are hoarding more nitrogen for themselves, altering nutrient cycling and leaving less for plants.
Physicists push quantum boundaries by turning a superfluid into a supersolid — and back — for the first time
Physicists saw excitons, a type of quasiparticle, undergo a reversible phase transition from superfluid to supersolid for the first time, opening new doors for studying
Did ancient Greeks let women compete in the Olympics?
The ancient Olympic games were crowded with male athletes, but were there opportunities for females to compete in sports?
‘Maybe they’re waiting for something that only happens thousands of years later’: The hidden life ‘sleeping’ deep beneath Earth for millions of years
Deep inside Earth lies a hidden world of “intraterrestrials” that have been dormant for hundreds of thousands of years — what are they waiting to
What we know about the massive sewage leak in the Potomac River
A collapsed sewer line, about 8 miles from the White House, pumped 368 Olympic-sized swimming pools worth of wastewater into the Potomac. Repairs could take
Science history: ‘Father of modern genetics’ describes his experiments with pea plants — and proves that heredity is transmitted in discrete units — Feb. 8, 1865
Gregor Mendel described his experiments with pea plants and proved that genes are transmitted in discrete units, with certain fundamental laws of inheritance.
Why do kids eat their boogers?
There may be something more than just a bad habit behind this behavior.
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
Anglo-Saxon children discovered buried with warrior gear in UK — perhaps as a nod to ‘the men these children might have become’
Archaeologists have discovered Anglo-Saxon children buried with a spear, shield and buckles, gear that’s usually seen in warriors’ graves.
‘A second set of eyes’: AI-supported breast cancer screening spots more cancers earlier, landmark trial finds
A clinical trial shows that AI-assisted mammography can detect more cases of dangerous cancer and reduce missed diagnoses.
‘There’s no reason to ban us from playing’: Analysis debunks notion that transgender women have inherent physical advantages in sports
A meta-analysis of 52 studies that included over 5,000 transgender people suggests that transgender women’s physical fitness after hormone therapy is comparable to that of
Strong Solar Flare
NASA’s Solar Dynamics Observatory captured this image of a solar flare — seen as the bright flash toward the upper middle — on Feb. 4