Comets

Interstellar Comet 3I/ATLAS: A Visitor from Beyond the Solar System

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

13 November 2025

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,

12 November 2025

Astronomy · Comets · Observing Tips · Scientific Discoveries · Space Exploration

3I/ATLAS Today (Nov. 11, 2025): Interstellar Comet Reappears with Growing Ion Tail, Morning-Sky Return & Rumor Control

Updated: November 11, 2025 Key points at a glance What’s new today A longer, sharper tail. Astrophysicist Gianluca Masi reports that 3I/ATLAS’s ion tail has lengthened to at least 0.7°, with an anti‑tail also apparent in stacked exposures taken this

11 November 2025

Astronomy · Comets · Interstellar Objects · Skywatching · Space News

Comet 3I/ATLAS Today (Nov. 10, 2025): First Radio Signal Confirmed, Fresh Jet/Tail Images & What to Watch Next

Updated: November 10, 2025 — No threat to Earth; closest approach remains mid‑December. Key points at a glance What’s new today (Nov. 10) Radio proof of “cometness.” After weeks of speculation, astronomers have the clearest radio evidence yet that 3I/ATLAS behaves

10 November 2025

Astronomy · Comets · Radio Astronomy · Skywatching · Space News

Interstellar Comet 3I/ATLAS on Nov. 9, 2025: Tail Mystery, New Jet Images, and Where to Look This Week

Updated: November 9, 2025 What’s new today Today’s snapshot: why the comet’s look is confusing Some Nov. 5–9 images show a compact coma with little obvious dust tail, which has fueled social-media claims that 3I/ATLAS is behaving “unlike a comet.”

9 November 2025

Astronomy · Comets · Observational Tips · Science News · Space Exploration

Rare Interstellar Comet 3I/ATLAS – a 10-Billion-Year-Old Time Capsule – Flies Past Mars

Comet 3I/ATLAS Today (Nov. 9, 2025): Post‑Perihelion Status, New Spacecraft Images, Visibility Guide — and What’s Hype vs Fact

Published: November 9, 2025 Comet 3I/ATLAS (C/2025 N1) — only the third confirmed interstellar object to sweep through our solar system — has reemerged from behind the sun and is sliding into the predawn sky this week. Fresh spacecraft imagery,

9 November 2025

Astronomy · Comets · Science News · Skywatching · Space Exploration

Comet 3I/ATLAS Today (Nov 7, 2025): New Mars‑orbiter images, how to see it before dawn, and what scientists are learning about this interstellar visitor

Updated: November 7, 2025 — Interstellar comet 3I/ATLAS (also cataloged as C/2025 N1 [ATLAS]) has re-emerged from behind the Sun and is back on astronomers’ morning watch lists. Fresh coverage today highlights new imagery from Mars orbit, public tools to

7 November 2025

Astronomy · Comets · Night Sky Observation · Science News · Space Exploration

Comet 3I/ATLAS News Roundup (Nov. 6, 2025): China’s Mars Orbiter Images the Interstellar Visitor, JWST Chemistry Update, and How to See It

Comet 3I/ATLAS news roundup — November 6, 2025 Today’s big development: China’s Tianwen‑1 Mars orbiter captured and released new images of the interstellar comet 3I/ATLAS (also cataloged as C/2025 N1), taken from roughly 30 million km away during the comet’s

6 November 2025

Astronomy · Comets · JWST · Mars Missions · Space Exploration

Comet 3I/ATLAS today (6 Nov 2025): China’s Mars orbiter snaps new photos as the interstellar visitor turns bluer and shows puzzling acceleration

Updated: 6 November 2025 — A rapid, reader-friendly briefing on the third interstellar object ever found, tailored for Google News & Discover. At a glance — what’s new on Nov 5–6 China’s Tianwen‑1 just gave us a rare Mars‑orbit look

6 November 2025

Astronomy · Astrophotography · Comets · Mars Missions · Space Exploration

Interstellar Visitor 3I/ATLAS Just Turned Blue and “Accelerated”—Here’s What Really Happened This Week

Key facts (updated Nov 5, 2025): The story so far: what changed in the last few days While 3I/ATLAS was hidden in the Sun’s glare in late October, it slipped into the fields of view of several solar‑monitoring cameras: STEREO‑A

5 November 2025

Astronomy · Comets · Interstellar Objects · Science News · Space

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, Chile newsweek.com. Right away, its orbit stood out as hyperbolic,

4 November 2025

Astronomy · Comets · Cosmic Phenomena · Scientific Discoveries · Space Science

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

4 November 2025

Astronomy · Astrophysics · Comets · Scientific Discoveries · Space Exploration

Comets News 4 November 2025 - 13 November 2025