Radio Astronomy
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SETI Scientists Searched Interstellar Comet 3I/ATLAS for Alien Signals
SETI researchers used the Allen Telescope Array to scan interstellar comet 3I/ATLAS for artificial radio signals. No techno-signatures were detected, but the observations improved methods for future searches.
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Scientists Solve Mystery Of Puzzling Radio Pulses From Space
Cosmic radio pulses repeating every few minutes or hours, known as long-period transients, have puzzled astronomers since their discovery in 2022. Our new study, published in Nature Astronomy today, might finally add some clarity.
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Astronomers Solve the Mystery Behind M87’s Enormous Space Jet
Astronomers have directly linked the supermassive black hole M87* to its enormous plasma jet using new Event Horizon Telescope data. The findings reveal where the jet originates near the black hole’s shadow, providing crucial insight into how black holes launch matter at nearly the speed of light.
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Scientists Study 100 Possible Alien Signals as Arecibo’s Historic SETI Search Concludes
Scientists are studying 100 possible alien radio signals identified from Arecibo Observatory data, bringing the 21-year SETI@Home project to a close. Supported by millions of volunteers, the effort found no confirmed alien messages but set new sensitivity standards. Researchers say the findings will guide future searches using more powerful radio t...
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Rare Interstellar Object 3I/ATLAS Fails Alien Test, Scientists Say
The most sensitive radio search ever conducted on interstellar object 3I/ATLAS has found no signs of alien technology. Using the Green Bank Telescope, scientists scanned key radio bands during its closest approach to Earth. All detected signals were linked to interference, strengthening the view that 3I/ATLAS is a natural object.
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New Analysis of 1977 Wow! Signal Reveals Stronger Cosmic Mystery
The famous 1977 “Wow!” signal — a mysterious radio burst detected by Ohio’s Big Ear telescope — has been reanalyzed using modern computing techniques. Researchers digitized old telescope records, finding the signal was about four times stronger than first thought, peaking at 250 Janskys. The recalculations also refined its frequency and s...
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Starlink’s Unintended Signals Threaten Astronomical Research, Study Finds
Astronomers have raised concerns over Starlink’s unintended radio emissions interfering with space observation. A Curtin University study found emissions from SpaceX satellites impacting up to 30% of astronomical data. Experts urge updated regulations to protect radio astronomy, as current rules overlook these non-deliberate signals from satellit...
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Most Distant Mini-Halo Discovered in Galaxy Cluster 10 Billion Light-Years Away
Astronomers have uncovered the most distant mini-halo ever detected, located around the galaxy cluster SpARCS1049, a staggering 10 billion light-years from Earth. Using the LOFAR radio telescope network, which spans eight European countries, researchers detected a faint, diffuse glow—evidence of a giant cloud of high-energy particles and magnetic...
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Fast Radio Bursts Reveal Universe’s Missing Matter Hidden in Cosmic Intergalactic Fog
Astronomers have uncovered the universe’s missing baryonic matter using rapid radio bursts. The study, published in Nature Astronomy, shows that most ordinary matter lies between galaxies, hidden in faint intergalactic clouds. This breakthrough highlights FRBs as powerful tools to probe cosmic structures, paving the way for discoveries in large-s...
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FAST Telescope Reveals Emission Properties of Three Long-Period Pulsars in New Study
The FAST telescope has observed emission behaviours in three long-period pulsars, revealing null phases, asymmetric pulses, and microstructures. The study highlights variations in pulsar emissions and their periodicity, contributing to a deeper understanding of neutron star radio emissions. Researchers noted different nulling fractions and microstr...
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Nearby Star System Could Produce Energy In Explosion Like Big Bang Event
In a second only to the Big Bang event, astronomers have identified a "nearby" star system with the potential to produce a gamma-ray burst, one of the most energetic events in the universe.
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First Image of Black Hole Pieced Together by Astronomers
"Instead of building a telescope so big that it would probably collapse under its own weight, we combined eight observatories like the pieces of a giant mirror."
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Cosmic Record To Detect Hydrogen In Distant Galaxy Smashed
Scientists have pushed the limits of radio astronomy to detect a faint signal emitted by hydrogen gas in a galaxy more than five billion light years away - almost double the previous record.
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'Universe is Slowly Dying,' Say Australian Researchers
The universe is dying but there is no need to panic as there is still about 100 billion years to go, reveals a group of Australian researchers.
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Dead Galaxies May Be Packed With Dark Matter: Study
Galaxies in a cluster roughly 300 million light years from Earth could contain 100 times more dark matter than visible matter, a new study has found.
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SETI Scientists Searched Interstellar Comet 3I/ATLAS for Alien Signals
SETI researchers used the Allen Telescope Array to scan interstellar comet 3I/ATLAS for artificial radio signals. No techno-signatures were detected, but the observations improved methods for future searches.
-
Scientists Solve Mystery Of Puzzling Radio Pulses From Space
Cosmic radio pulses repeating every few minutes or hours, known as long-period transients, have puzzled astronomers since their discovery in 2022. Our new study, published in Nature Astronomy today, might finally add some clarity.
-
Astronomers Solve the Mystery Behind M87’s Enormous Space Jet
Astronomers have directly linked the supermassive black hole M87* to its enormous plasma jet using new Event Horizon Telescope data. The findings reveal where the jet originates near the black hole’s shadow, providing crucial insight into how black holes launch matter at nearly the speed of light.
-
Scientists Study 100 Possible Alien Signals as Arecibo’s Historic SETI Search Concludes
Scientists are studying 100 possible alien radio signals identified from Arecibo Observatory data, bringing the 21-year SETI@Home project to a close. Supported by millions of volunteers, the effort found no confirmed alien messages but set new sensitivity standards. Researchers say the findings will guide future searches using more powerful radio t...
-
Rare Interstellar Object 3I/ATLAS Fails Alien Test, Scientists Say
The most sensitive radio search ever conducted on interstellar object 3I/ATLAS has found no signs of alien technology. Using the Green Bank Telescope, scientists scanned key radio bands during its closest approach to Earth. All detected signals were linked to interference, strengthening the view that 3I/ATLAS is a natural object.
-
New Analysis of 1977 Wow! Signal Reveals Stronger Cosmic Mystery
The famous 1977 “Wow!” signal — a mysterious radio burst detected by Ohio’s Big Ear telescope — has been reanalyzed using modern computing techniques. Researchers digitized old telescope records, finding the signal was about four times stronger than first thought, peaking at 250 Janskys. The recalculations also refined its frequency and s...
-
Starlink’s Unintended Signals Threaten Astronomical Research, Study Finds
Astronomers have raised concerns over Starlink’s unintended radio emissions interfering with space observation. A Curtin University study found emissions from SpaceX satellites impacting up to 30% of astronomical data. Experts urge updated regulations to protect radio astronomy, as current rules overlook these non-deliberate signals from satellit...
-
Most Distant Mini-Halo Discovered in Galaxy Cluster 10 Billion Light-Years Away
Astronomers have uncovered the most distant mini-halo ever detected, located around the galaxy cluster SpARCS1049, a staggering 10 billion light-years from Earth. Using the LOFAR radio telescope network, which spans eight European countries, researchers detected a faint, diffuse glow—evidence of a giant cloud of high-energy particles and magnetic...
-
Fast Radio Bursts Reveal Universe’s Missing Matter Hidden in Cosmic Intergalactic Fog
Astronomers have uncovered the universe’s missing baryonic matter using rapid radio bursts. The study, published in Nature Astronomy, shows that most ordinary matter lies between galaxies, hidden in faint intergalactic clouds. This breakthrough highlights FRBs as powerful tools to probe cosmic structures, paving the way for discoveries in large-s...
-
FAST Telescope Reveals Emission Properties of Three Long-Period Pulsars in New Study
The FAST telescope has observed emission behaviours in three long-period pulsars, revealing null phases, asymmetric pulses, and microstructures. The study highlights variations in pulsar emissions and their periodicity, contributing to a deeper understanding of neutron star radio emissions. Researchers noted different nulling fractions and microstr...
-
Nearby Star System Could Produce Energy In Explosion Like Big Bang Event
In a second only to the Big Bang event, astronomers have identified a "nearby" star system with the potential to produce a gamma-ray burst, one of the most energetic events in the universe.
-
First Image of Black Hole Pieced Together by Astronomers
"Instead of building a telescope so big that it would probably collapse under its own weight, we combined eight observatories like the pieces of a giant mirror."
-
Cosmic Record To Detect Hydrogen In Distant Galaxy Smashed
Scientists have pushed the limits of radio astronomy to detect a faint signal emitted by hydrogen gas in a galaxy more than five billion light years away - almost double the previous record.
-
'Universe is Slowly Dying,' Say Australian Researchers
The universe is dying but there is no need to panic as there is still about 100 billion years to go, reveals a group of Australian researchers.
-
Dead Galaxies May Be Packed With Dark Matter: Study
Galaxies in a cluster roughly 300 million light years from Earth could contain 100 times more dark matter than visible matter, a new study has found.
