Month: September 2025

Astronomers detect a nitrogen-rich icy planetesimal being accreted by white dwarf WD 1647+375, showing a 5.1% nitrogen signature and water-rich composition

A solitary world adrift in interstellar space is home to a spectacular, powerful aurora that dwarfs the light shows seen…

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Daylight saving time shifts alter LIGO detector sensitivity by about 75 minutes, showing how human activity biases gravitational-wave searches and catalogs

Astronomers have unveiled a comprehensive new database that catalogs more than 100 peculiar binary star systems known as “spider pulsars.”…

A small rock fragment, weighing just a few ounces and collected by Apollo 17 astronauts more than 50 years ago,…

NISAR, the NASA-ISRO radar satellite, delivers its first US images, from Maine forests to North Dakota farms, using dual L- and S-band radar in all weather

New observations of quasar SMSS J052915.80-435152.0, a supermassive black hole over 12 billion light-years away, reveal gas ejected at up to 10,000 km/s

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A genetic analysis of yellow warblers across North America is providing a powerful new tool to forecast how different animal…