Do you weigh more when an elevator goes up or when it comes down?
Elevators have a strange way of messing with your sense of gravity. The moment an elevator lurches upward, you feel it in your feet. For...
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Giant string of organic molecules on Mars may be one of the best signs of life yet
Organic molecules discovered within a stone on Mars cannot be fully explained by nonbiological processes, and it’s “reasonable to hypothesize” that living things could have...
‘We’re starting to find a lot more weirdness’: These strange animals can control their body heat
In 1774, British physician-scientist Charles Blagden received an unusual invitation from a fellow physician: to spend time in a small room that was hotter, he...
Paleolithic humans invented an ‘early predecessor to writing’ at least 40,000 years ago, carved signs suggest
Humans first developed complex and information-dense writing around 3000 B.C., when the Sumerians of southern Mesopotamia (modern-day Iraq) invented cuneiform scripts. But new research suggests...
Science news this week: ‘Spiderwebs’ on Mars, tigers’ return to Kazakhstan, and 2,000-year-old skull with permanently blackened teeth
Science news this week was filled with stunning space discoveries, with the largest map of the chaotic gas clouds at the center of the Milky...
Did the Vikings reach Maine?
In 1957, an amateur archaeologist working at a Native American site in Maine discovered a perplexing treasure: a 900-year-old silver Norse coin that dated to...
Stone Age boy in Sweden was buried in deerskin and a woodpecker headdress, archaeologists discover
More than seven millennia ago, Stone Age mourners in what is now Sweden buried a boy with a crown of woodpecker feathers and, in another...
‘It doesn’t lie. So who are you?’: What happens when DNA tests show a woman is not the mother of the child she gave birth to?
DNA is often considered the ultimate indicator of our identity — a foolproof way to determine our origins and how we connect to our parents...
Inherited diseases don’t work like we thought they did
For decades, scientists have delved into the genetic causes of disease by studying patients with those diseases and their families, picking through their genomes in...
NASA announces sweeping overhaul of Artemis return to moon, targeting a 2028 landing and a 2027 in-orbit docking flight
NASA has announced a sweeping overhaul to its Artemis program, saying that the agency’s plan to return astronauts to the moon by 2028 would not...