For astronomers, finding a new black hole orbiting an aged red dwarf star is an exciting find in itself, but when that black hole seems to be a “missing link” stellar-mass black hole, you can crank the excitement up to 11! That is exactly what seems to be lurking in binary system G3425, estimated to…

Elements The Quest to Build a Telescope on the Moon If the FarView radio telescope is built, it would double as a demonstration of two unprecedented activities: mining and manufacturing in space. By Matthew Hutson September 24, 2024 Play/Pause Button Pause Illustration by Todd St. John Save this storySave this story Save this storySave this…

A strange type of ultraheavy star grows massive by feeding on the bloated, dying body of its companion, new research confirms. While astronomers have long suspected that these “barium stars” — named for their unusually high levels of the heavy element barium — come from feeding on material from a companion, now they’ve finally caught…

Artist’s illustration of the exoplanet WASP-107 b based on transit observations from NASA’s James Webb Space Telescope as well as other space- and ground-based telescopes, led by Matthew Murphy of the University of Arizona and a team of researchers around the world. Credit: Rachel Amaro, University of Arizona An international group of researchers including University…

A gravitational lens is the ultimate funhouse mirror of the Universe. It distorts the view of objects behind them but also supplies amazing information about distant galaxies and quasars. Astronomers using Hubble Space Telescope (HST) recently released a new image of one of these weird apparitions called “The Carousel Lens”. It’s a rare alignment of…

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With NASA’s Europa Clipper just weeks away from launch, five short videos give a behind-the-scenes peek at some of the engineers dedicated to making the mission a success. What does it take to build a massive spacecraft that will seek to determine if a mysterious moon has the right ingredients for life? Find out in…

This multiwavelength image of the Cloverleaf ORC (odd radio circle) combines visible light observations from the DESI (Dark Energy Spectroscopic Instrument) Legacy Survey in white and yellow, X-rays from XMM-Newton in blue, and radio from ASKAP (the Australian Square Kilometer Array Pathfinder) in red. Credit: X. Zhang and M. Kluge (MPE), B. Koribalski (CSIRO) An…

NASA scientists have released fascinating images of an asteroid that zipped past Earth this week — revealing it to be the shape of a weird tumbling snowman. The asteroid, named 2024 ON, flew safely past our planet at a distance of 620,000 miles (1 million kilometers) — roughly 2.6 times the distance between the moon…

A new model that suggests dark energy — the mysterious force driving the acceleration of the universe’s expansion — rose early in the cosmos could cure two of the most pressing astrophysical headaches.  One of these headaches is the “Hubble tension,” which refers to a longstanding apparent disparity between the measured rate at which the…