Neuroscie

Mapping Brain-to-Spinal Cord Pathways for Motor Control

Summary: Researchers have created a 3D atlas mapping brain regions that connect to V1 spinal interneurons, which shape motor output. By using a genetically modified rabies virus, they pinpointed connections…

Rare Brain Cells Offer Clues to Aging and Rejuvenation

Summary: A study reveals how brain cell interactions influence aging, showing that rare cell types either accelerate or slow brain aging. Neural stem cells provide a rejuvenating effect on neighboring…

Structural Sexism Tied to Faster Memory Decline in Older Women

Summary: Women born in states with higher structural sexism experience faster memory decline later in life, with effects equivalent to nine years of cognitive aging. Structural sexism encompasses societal inequities…

70 Is the New 60: Age Related Declines Slowing in Older People

Summary: A study highlights significant improvements in the physical and mental functioning of older adults in England compared to previous generations. Using data from the English Longitudinal Study of Aging,…

Life

Nature

Newfound bat skeletons are the oldest on record

Two fossilized bat skeletons unearthed in western Wyoming represent a new species and are the oldest set of bat bones yet discovered, researchers say. The incredibly complete fossils of Icaronycteris…

Astronomy

Two populations of dark comets in the solar system could tell researchers where the Earth got its oceans

Dark comets fly through space, but unlike comets, they don’t have dust tails. Credit: Adina Feinstein and NASA’s Earth Observatory The water that makes up the oceans acted as a…

NASA’s Terra satellite captures 2015 eclipse shadow

Credit: NASA Goddard MODIS Rapid Response Team During the morning of March 20, 2015, a total solar eclipse was visible from parts of Europe, and a partial solar eclipse from…

NASA probe makes closest ever pass by the Sun

An illustration courtesy of NASA/Johns Hopkins APL shows an artist’s conception of NASA’s Parker Solar Probe. NASA’s pioneering Parker Solar Probe made history Tuesday, flying closer to the sun than…

New commercial Artemis moon rovers undergo testing at NASA

From left to right: Astrolab’s FLEX, Intuitive Machines’ Moon RACER, and Lunar Outpost’s Eagle lunar terrain vehicle at NASA’s Johnson Space Center. Credit: NASA/Bill Stafford Through NASA’s Artemis campaign, astronauts…