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Scientific Discoveries News 12 October 2025 - 3 December 2025

Interstellar Comet 3I/ATLAS: Cryovolcanoes, Expanding Coma and ‘Heartbeat’ Pulses – Latest Updates as of December 3, 2025

Interstellar Comet 3I/ATLAS: Cryovolcanoes, Expanding Coma and ‘Heartbeat’ Pulses – Latest Updates as of December 3, 2025

Published: December 3, 2025 Interstellar comet 3I/ATLAS – only the third known visitor from another star system – is putting on one of the strangest shows astronomers have ever seen. In the last 48 hours alone, new research and images have revealed: All of this is happening as 3I/ATLAS climbs back into the pre‑dawn sky after whipping around the Sun in late…
3 December 2025
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Interstellar Comet 3I/ATLAS on 18 November 2025: New Multi‑Tailed Image, NASA’s Big Reveal and a Planetary‑Defense Rehearsal

Comet 3I/ATLAS Today: NASA’s Big Image Reveal, ISRO’s New Data and How to Follow the Interstellar Visitor (Nov. 19, 2025)

On Wednesday, November 19, 2025, the interstellar comet 3I/ATLAS is center stage: NASA is set to unveil its sharpest images yet of this rare object, while ISRO scientists in India share fresh observations from their Mount Abu telescope. Here’s everything you need to know today about what’s happening, why it matters, and how to watch. India Today+3Reuters+3NASA+3 Today’s Big 3I/ATLAS Headlines (Nov. 19,…
19 November 2025
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Earth’s New ‘Quasi‑Moon’ 2025 PN7: What NASA’s Data and Astronomers Say Today (Nov. 18, 2025)

Earth’s New ‘Quasi‑Moon’ 2025 PN7: What NASA’s Data and Astronomers Say Today (Nov. 18, 2025)

Earth has a tiny new traveling companion. Here’s what’s actually confirmed—and what isn’t—about 2025 PN7, plus how it fits into the bigger story of quasi‑moons and mini‑moons. What happened today Coverage of Earth’s “extra moons” picked up again on November 18, 2025, with fresh explainers highlighting that our planet frequently hosts transient mini‑moons and quasi‑moons—small natural bodies that either briefly…
18 November 2025
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Alien Probe or Cosmic Relic? Interstellar Comet 3I/ATLAS Baffles Scientists (updated 27.10.2025)

3I/ATLAS Today (Nov. 13, 2025): Interstellar comet’s tail keeps growing, ‘radio signal’ confirmed natural, and a different ATLAS comet fragments

Published Thursday, November 13, 2025 Fresh observations today keep 3I/ATLAS—the third confirmed interstellar object—firmly in the “strange but natural comet” camp. Meanwhile, a different ATLAS‑discovered comet in our solar system, C/2025 K1 (ATLAS), is visibly fragmenting. Here’s what changed today, what didn’t, and how to tell these two “ATLAS comets” apart. ScienceAlert+2NASA Science+2 What’s new today (Nov. 13) The science…
13 November 2025
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MeerKAT Detects Radio Signal From Interstellar Comet 3I/ATLAS — OH Lines Confirm Natural Origin (Nov. 13, 2025)

MeerKAT Detects Radio Signal From Interstellar Comet 3I/ATLAS — OH Lines Confirm Natural Origin (Nov. 13, 2025)

Dateline: Nov. 13, 2025 South Africa’s MeerKAT radio array has picked up the first confirmed radio signal from the interstellar comet 3I/ATLAS, a detection that strongly supports the object’s natural, cometary identity and undercuts recent “alien probe” speculation. The signal—two narrow features at 1665 and 1667 MHz—matches classic hydroxyl (OH) absorption produced when sunlight breaks apart water vapor outgassed from…
13 November 2025
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Alien Probe or Cosmic Relic? Interstellar Comet 3I/ATLAS Baffles Scientists (updated 27.10.2025)

Comet 3I/ATLAS on Nov. 12, 2025: Tail Keeps Growing, First Radio Signal Confirmed, and How to See the Interstellar Visitor

Published: 12 November 2025 The interstellar comet 3I/ATLAS is putting on fresh science today. New images show its ion tail lengthening and sharpening as the object climbs back into our predawn sky after its late‑October swing around the Sun. Meanwhile, astronomers have confirmed the first radio detection from this visitor—evidence of ordinary comet chemistry rather than extraterrestrial tech. Here’s what’s…
12 November 2025
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Alien Probe or Cosmic Relic? Interstellar Comet 3I/ATLAS Baffles Scientists (updated 27.10.2025)

Third Interstellar Comet 3I/ATLAS Stuns Scientists With Surprising Brightening and Blue Glow

Discovery and Interstellar Identity Comet 3I/ATLAS (officially Interstellar Comet 3I/ATLAS) was first spotted on July 1, 2025, by the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) telescope in Río Hurtado, Chilenewsweek.com. Right away, its orbit stood out as hyperbolic, meaning it isn’t bound to the Sun by gravity and is just passing through. This identified 3I/ATLAS as an interstellar object…
4 November 2025
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Interstellar Comet 3I/ATLAS Stuns Scientists with Surprising Bright Outburst and Ancient Origins

Interstellar Comet 3I/ATLAS Stuns Scientists with Surprising Bright Outburst and Ancient Origins

A Visitor From Beyond the Solar System In July 2025, astronomers discovered something extraordinary: a dim, fuzzy comet hurtling toward the inner solar system on a path not bound to the Sun. Follow-up observations confirmed this object – now named 3I/ATLAS (for the ATLAS survey that found it) – was on a hyperbolic trajectory, meaning it came from interstellar space…
4 November 2025
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Interstellar Comet 3I/ATLAS Stuns Scientists – Brightening, Blue Glow & Mystery Acceleration

Interstellar Comet 3I/ATLAS Stuns Scientists – Brightening, Blue Glow & Mystery Acceleration

A Mysterious Visitor from Beyond the Solar System When astronomers spotted a faint new object moving rapidly through the outer solar system in July 2025, they quickly realized it was not an ordinary comet. Its extra-high velocity and open-ended (hyperbolic) trajectory indicated it was an interstellar interloper – an object arriving from far outside the Sun’s domainscientificamerican.com. Officially designated 3I/ATLAS…
3 November 2025
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Alien Probe or Cosmic Relic? Interstellar Comet 3I/ATLAS Baffles Scientists (updated 27.10.2025)

Mysterious Interstellar Comet 3I/ATLAS Nears Sun – 10-Billion-Year Visitor Sparks Alien Theories and Scientific Awe

Key Facts and Highlights A Visitor From Beyond the Solar System In July 2025, astronomers spotted a faint newcomer inbound toward the Sun – one that was not gravitationally bound to our star at all. The object, now designated 3I/ATLAS, is only the third interstellar visitor ever detected in our solar systemts2.tech. (The “3I” prefix marks it as the third…
29 October 2025
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Rare Interstellar Comet 3I/ATLAS – a 10-Billion-Year-Old Time Capsule – Flies Past Mars

Alien Comet 3I/ATLAS Is Spewing Water Like a Fire Hose — And Scientists Are Stunned

These astounding discoveries come from coordinated observations worldwide. Below we delve into the details: what we’ve learned about 3I/ATLAS, how it compares to other interstellar visitors, and why scientists are so excited. What Is 3I/ATLAS? A Rare Interstellar Comet 3I/ATLAS (sometimes simply called “ATLAS”) is an interstellar comet – a chunk of ice and rock that formed around a distant…
12 October 2025
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