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Astronomy news
Pulsars could have tiny mountains
Imagine a star so dense that a teaspoon of its material would weigh as much as Mount Everest, spinning hundreds of times per second while beaming radio waves across the universe. These are pulsars, the collapsed cores of ...
Astronomy
3 hours ago
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An instrument to be launched into space will reveal ionic details of the heliosphere
Southwest Research Institute has delivered the novel Compact Dual Ion Composition Experiment (CoDICE) instrument for final integration into NASA's Interstellar Mapping and Acceleration Probe (IMAP) spacecraft. Scheduled to ...
Astronomy
5 hours ago
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The Vera C. Rubin Observatory will help astronomers investigate dark matter, continuing the legacy of its namesake
Everything in space—from Earth and the sun to black holes—accounts for just 15% of all matter in the universe. The rest of the cosmos seems to be made of an invisible material astronomers call dark matter.
Astronomy
7 hours ago
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Observations of binary system V455 Car suggest a possible third companion
Chinese astronomers have employed NASA's Transiting Exoplanet Survey Satellite (TESS) to observe an eclipsing binary of the Algol-type, designated V455 Car. Results of the observational campaign are published in the journal ...
Super-resolution imaging reveals the first step of planet formation after star birth
Identifying the formation period of planetary systems, such as our solar system, could be the beginning of the journey to discover the origin of life. The key to this is the unique substructures found in protoplanetary disks—the ...
Astronomy
11 hours ago
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Astronomer models radio pulsar nulling fractions
A study published in Astronomy & Astrophysics by a researcher from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences has provided new insights into the phenomenon of "pulse nulling"—a sudden ...
Astronomy
11 hours ago
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Physicists provide benchmark data of sodium-like iron ions for astrophysical modeling
Iron is one of the most abundant heavy elements in the universe. Its spectral features stand out in many astronomical spectra, especially in those of stars and galaxies. As a dominant emitter in many X-ray sources, iron ions ...
Astronomy
16 hours ago
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Earth's satellites at risk if asteroid smashes into moon: Study
If a huge asteroid smashes into the moon in 2032, the gigantic explosion would send debris streaming toward Earth that would threaten satellites and create a spectacular meteor shower, according to researchers.
Astronomy
Jun 23, 2025
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Mysterious fast radio burst turns out to be from long-dead NASA satellite
A team of astronomers and astrophysicists affiliated with several institutions in Australia has found that a mysterious fast radio burst (FRB) detected last year originated not from a distant source, but from one circling ...
Hubble studies small but mighty galaxy
This portrait from the NASA/ESA Hubble Space Telescope puts the nearby galaxy NGC 4449 in the spotlight. The galaxy is situated just 12.5 million light-years away in the constellation Canes Venatici (the Hunting Dogs). It ...
Astronomy
Jun 23, 2025
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Astronomy has a major data problem. Simulating realistic images of the sky can help train algorithms
Professional astronomers don't make discoveries by looking through an eyepiece like you might with a backyard telescope. Instead, they collect digital images in massive cameras attached to large telescopes.
Astronomy
Jun 23, 2025
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NASA tech to use moonlight to enhance measurements from space
NASA will soon launch a one-of-a-kind instrument, called Arcstone, to improve the quality of data from Earth-viewing sensors in orbit. In this technology demonstration, the mission will measure sunlight reflected from the ...
Astronomy
Jun 23, 2025
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Catching a jellyfish in the sky: New galaxy discovered with the James Webb Space Telescope
Using the James Webb Space Telescope (JWST), astronomers from Canada and Switzerland have discovered a new galaxy, which received designation COSMOS2020-635829. The newfound object appears to undergo a ram pressure stripping ...
The 'born-again dynamo' of the sun's elder twin
An international team, led by Instituto de Astrofísica e Ciências do Espaço (IA) researcher Ângela Santos, has made the first measurement of the magnetic field of β Hydri, a nearby aged solar analog subgiant star. This ...
Astronomy
Jun 23, 2025
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Vera Rubin observatory reveals stunning first images
Breathtaking stellar nurseries, a sprawling stretch of cosmos teeming with millions of galaxies, and thousands of newly discovered asteroids were revealed Monday in the first deep space images captured by the Vera C. Rubin ...
Astronomy
Jun 23, 2025
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The solar system's greatest mystery may finally be solved
For years, astronomers have been searching for a mysterious ninth planet lurking in the dark outer reaches of our solar system. Now, a team of researchers have taken a completely different approach to this cosmic detective ...
Astronomy
Jun 20, 2025
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Radio signal from the very early universe offers clues about the first stars
Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a key turning point in the universe's development, known as the Cosmic Dawn. However, even with the ...
Astronomy
Jun 20, 2025
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The first images from Vera Rubin telescope are about to drop
In the early 1600s, Dutch spectacle maker Jan Lippershey discovered that combining lenses could magnify distant objects. Galileo Galilei quickly improved the designs and became the first to explore the heavens, revealing ...
Astronomy
Jun 19, 2025
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New study offers a double dose of hot Jupiters
Yale astronomers may have discovered the origin story for one of the universe's most dazzling phenomena—the double hot Jupiter—as well as a plan to find more of them.
Astronomy
Jun 19, 2025
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Image: Exoplanet GJ504b, 'second Jupiter' directly observed
GJ504b is an exoplanet orbiting a sun-like star GJ 504. It is estimated to be three to six times more massive than Jupiter, making it the lowest-mass planet ever directly imaged. This faint and cold planet, often referred ...
Astronomy
Jun 19, 2025
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