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Astronomy news
Novel Interstellar Mapping and Acceleration Probe instrument delivers first-light data
Southwest Research Institute's novel Compact Dual Ion Composition Experiment (CoDICE) instrument aboard NASA's Interstellar Mapping and Acceleration Probe (IMAP) spacecraft has successfully collected first-light data. IMAP ...
Astronomy
3 hours ago
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Exploring the origins of the universe: 145 low-noise amplifiers complete ALMA telescopes
The Atacama Large Millimeter/Submillimeter Array (ALMA) in the Chilean Andes is one of the most powerful radio telescope facilities in the world. Researchers use it to study dark and distant regions of the universe in order ...
Astronomy
7 hours ago
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One of NASA's key cameras orbiting Mars takes 100,000th image
After nearly 20 years on the Red Planet, NASA's Mars Reconnaissance Orbiter (MRO) has snapped its 100,000th image of the surface with its HiRISE camera. Short for High Resolution Imaging Science Experiment, HiRISE is the ...
Astronomy
11 hours ago
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What's powering these mysterious, bright blue cosmic flashes? Astronomers find a clue
Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ultraviolet light that gradually fade away, leaving behind faint X-ray and radio emissions. With ...
Astronomy
12 hours ago
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Possible 'superkilonova' exploded not once but twice
When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the universe with heavy elements such as carbon and iron. Another type of explosion—the kilonova—occurs ...
Astronomy
12 hours ago
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PUNCH mission spacecraft producing unprecedented images of Sun
After less than a year in orbit, the Southwest Research Institute-built PUNCH spacecraft have made major accomplishments, imaging the sun in context while tracking comets and enormous space weather events as they traveled ...
Astronomy
13 hours ago
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Webb observes pulsar-orbiting planet whose composition defies explanation
Scientists using NASA's James Webb Space Telescope have observed a rare type of exoplanet, or planet outside our solar system, whose atmospheric composition challenges our understanding of how it formed.
Astronomy
13 hours ago
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Dazzling cosmic jet reveals time-stamped history of star birth
An international team of astronomers has uncovered the most unmistakable evidence yet that the powerful jets launched by newborn stars reliably record a star's most violent growth episodes, confirming a long-standing model ...
Astronomy
14 hours ago
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Rare brown dwarf discovered orbiting ancient star
Astronomers from the Harvard-Smithsonian Center for Astrophysics (CfA) and elsewhere report the discovery of a new brown dwarf about 60 times more massive than Jupiter. The newfound substellar object, designated TOI-7019 ...
NASA's Roman telescope will observe thousands of newfound cosmic voids
Our universe is filled with galaxies, in all directions as far as our instruments can see. Some researchers estimate that there are as many as 2 trillion galaxies in the observable universe. At first glance, these galaxies ...
Astronomy
Dec 15, 2025
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Massive stars make their mark in Hubble image
This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy, which is substantially smaller than our own Milky Way, lies 13 million light-years away in the ...
Astronomy
Dec 15, 2025
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XMM-Newton sees comet 3I/ATLAS in X-ray light
The European Space Agency's X-ray space observatory XMM-Newton observed interstellar comet 3I/ATLAS on 3 December for around 20 hours. During that time, the comet was about 282–285 million km from the spacecraft.
Astronomy
Dec 15, 2025
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NASA announces plan to map Milky Way with Roman Space Telescope
NASA's Nancy Grace Roman Space Telescope team has released detailed plans for a major survey that will reveal our home galaxy, the Milky Way, in unprecedented detail. In one month of observations spread across two years, ...
Astronomy
Dec 15, 2025
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Radio observations find nothing at Omega Centauri's heart
Omega Centauri dominates the southern sky as the Milky Way's largest and brightest globular cluster, a dense sphere containing roughly 10 million stars. Earlier this year, astronomers found evidence that an intermediate mass ...
Astronomy
Dec 15, 2025
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Hubble catches another glimpse of 3I/ATLAS
On July 1st, 2025, the third interstellar object (ISO) ever detected was seen making its way through our solar system. Shortly after being alerted by automated detection systems, astronomers at the European Space Agency (ESA) ...
Astronomy
Dec 15, 2025
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Image: Hubble captures the death of a low-mass star in the Calabash Nebula
NASA's Hubble Space Telescope captured an uncommon sight—the death of a low-mass star—in this image of the Calabash Nebula released on Feb. 3, 2017.
Astronomy
Dec 15, 2025
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Astronomers find planetary and stellar companions to two ultracool dwarfs in Taurus
Astronomers from the University of Hawai'i (UH) at Manoa and elsewhere have observed the Taurus star-forming region, which resulted in the discovery of planetary-mass and stellar companions of two ultracool dwarf stars. The ...
Clues to the origin of hot Jupiters hidden in their orbits
The first exoplanet ever discovered in 1995 was what we now call a "hot Jupiter," a planet as massive as Jupiter with an orbital period of just a few days. Today, hot Jupiters are thought to have formed far from their stars—similar ...
Astronomy
Dec 15, 2025
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The moon-forming event: Why it was by explosive ejection rather than a giant impact
One of the oldest unsolved riddles in planetary science concerns the origin of the moon. Over a century ago, George Darwin proposed that tidal and centrifugal forces on a rapidly rotating proto-Earth caused the moon to be ...
Thank the JWST for confirming the first runaway supermassive black hole
What could force a supermassive black hole (SMBH) out of its host galaxy? They can have hundreds of millions, even billions of solar masses. What's powerful enough to dislodge one of these behemoths?
Astronomy
Dec 15, 2025
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