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Sun-like star caught after eating one of its own planets
Astronomers have found strong evidence that TOI-5882, a sun-like star about 1,300 light-years from Earth, may have consumed one of its own planets. The team, led by University of Michigan astronomer Brooke Kotten, discovered an important clue in the star’s chemical makeup. TOI-5882 contains far more lithium than researchers would normally expect to find in…
Columbia scientists discover surprising link between serotonin and heart valve disease
Serotonin is usually associated with mood, sleep, and digestion. But research published in 2023 suggests this chemical messenger may also influence a small structure that performs a vital job during every heartbeat: the mitral valve. The multicenter investigation found evidence that reduced activity of the serotonin transporter may accelerate damaging changes in valves already affected…
This alien planet never has sunrise or sunset. It may support life
LHS 3844b is an exoplanet just slightly larger than Earth that orbits the red dwarf star LHS 3884, located 48.5 light years from our solar system. Unlike Earth, it is tidally locked, meaning it rotates once on its axis in exactly the same amount of time it takes to orbit its star. As a result,…
The Sky Today on Monday, July 20: Moon landing throwback
Back to Article List Tonight, the waxing crescent Moon will look just as it did on the night of July 20, 1969, when humans first set foot on our satellite. Look southwest after sunset to catch the Moon hanging beneath the bright star Spica in Virgo. The lunar phase exactly matches that as on July…
We’ve Barely Mapped the Observable Universe — but Human Curiosity Is Driving the Biggest Maps Ever Made
Aboard the International Space Station (ISS), now-retired astronaut Sunita “Suni” Williams geared up to perform a spacewalk near one of the craft’s solar panels. Space walks are routine, prescribed, and mechanical. Williams had put on her space suit and double-checked everything was in place so many times in practice that the act was almost second…
Man ordered to pay $20K in damages for sharing woman’s intimate images without consent
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