Planetary Sciences

Jupiter's Great Red Spot shows unexpected size changes

Astronomers have observed Jupiter's legendary Great Red Spot (GRS), an anticyclone large enough to swallow Earth, for at least 150 years. But there are always new surprises—especially when NASA's Hubble Space Telescope ...

Astronomy

Astronomers race to capture image of exoplanet near star

Planet AF Lep b is a world of firsts. In 2023, it was the lowest-mass planet outside our solar system to be directly observed and have its mass measured using astrometry. This is a technique that charts the subtle movements ...

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Black hole destroys star, goes after another

A massive black hole has torn apart one star and is now using that stellar wreckage to pummel another star or smaller black hole that used to be in the clear.

Arctic river erosion linked to permafrost thaw

Permafrost, the thick layer of perennially frozen ground that covers much of the Arctic, slows down the migration of Arctic rivers, according to a new Caltech study. River migration is a common process in which a river's ...

Polar jet stream could reveal Saturn's rotational period

A hexagon-shaped atmospheric phenomenon first spotted on Saturn by Voyager 1 and Voyager 2 has intrigued scientists since the 1980s. More recently, NASA's Cassini mission has periodically observed the hexagon and its embedded ...

Study assesses pollution near Los Angeles-area warehouses

As goods of all shapes and sizes journey from factory to doorstep, chances are they've stopped at a warehouse along the way—likely several of them. The sprawling structures are waypoints in the logistics networks that make ...

Robot planning tool accounts for human carelessness

A new algorithm may make robots safer by making them more aware of human inattentiveness. In computerized simulations of packaging and assembly lines where humans and robots work together, the algorithm developed to account ...

Cactus dreams: Revealing the secrets of mescaline making

Mescaline, a natural hallucinogen known since ancient times, was not only a favorite of artists and bohemians but also a mainstay of brain research throughout the first half of the 20th century, until it was eclipsed in the ...

Implementing a new pathway to measure and value biodiversity

In October, world leaders will gather at the United Nations Biodiversity Conference in Cali, Colombia, to put an ambitious plan to halt human-induced species extinction into action. The conference, COP16, will focus on the ...

Scholars review lunar crater chronology and impact flux

Scholars reviewed the existing anchor points and construction history of lunar crater chronology. Before the return of lunar samples, the stratification of the near side of the moon was based on remote sensing data from ground-based ...

Experimental bermudagrasses show varied drought response

In a new study, researchers at Oklahoma State University have unveiled significant variations in drought response among advanced turf-type Bermudagrass experimental genotypes. The study aimed to evaluate the drought tolerance ...

Study reveals birth month impact on soccer careers

What do soccer players Jamal Musiala, Arda Guler and Cristiano Ronaldo have in common? Not only are they shining for their respective nations in Germany; they were each born in February. Researchers at the University of Strathclyde ...