Astronomy News 11 November 2025

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

Interstellar Comet 3I/ATLAS on November 16, 2025: How to Watch Tonight’s Livestream, What’s New from ESA & NASA, and Where to Find It in the Sky

Published: November 16, 2025 Summary (today): A free global livestream will show interstellar comet 3I/ATLAS racing away from the Sun late Sunday, Nov. 16 (11:15 p.m. ET / 04:15 GMT on Nov. 17). ESA just tightened the comet’s trajectory using

16 November 2025

Interstellar Comet 3I/ATLAS Today: Tail, Radio Signal & Viewing Guide

15 November 2025 – Interstellar comet 3I/ATLAS has survived its close swing past the Sun, grown a spectacular ion tail, emitted its first detected radio signal, and had its orbit nailed down with help from a spacecraft at Mars. At

15 November 2025

Astronomy · Comets · Science News · Space Exploration · Stargazing

Interstellar Comet 3I/ATLAS Shrouded in CO₂ Fog – NASA’s SPHEREx Reveals a Cosmic Visitor’s Secrets

Interstellar Comet 3I/ATLAS on 14 November 2025: New ESA Orbit, Fresh Spectra, Politics, Alien Hype – and How to See It

Updated: 14 November 2025 Interstellar comet 3I/ATLAS has roared back into the headlines today, with new orbital data from Mars, a first detailed optical/IR portrait, political pressure on NASA over unreleased images, and yet another round of speculation about whether

14 November 2025

Alien Life · Astronomy · Observing Tips · Science News · Space Exploration

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

Can You See Interstellar Comet 3I/ATLAS? Naked-Eye, Camera and Telescope Guide (November–December 2025)

Interstellar comet 3I/ATLAS has rocketed into headlines: it’s only the third known visitor from another star system, it just swung around the Sun, it’s growing a dramatic tail, and it’s even been detected in radio waves – prompting a flurry of “is it aliens?” stories.

14 November 2025

Astronomy · Astrophotography · Comets · Space Observation · Stargazing

Severe G4 Solar Storm Lights Up Skies: Northern Lights Visible Across U.S., Southern Lights in Australia — Where to Watch Tonight (Nov. 12, 2025)

Northern Lights 2025: How to See Tonight’s Aurora and Photograph It Like a Pro

If it feels like everyone is suddenly posting Northern Lights photos, you’re not imagining it. A series of severe geomagnetic storms this week has pushed the aurora borealis as far south as Texas, Florida and California, with NOAA issuing a rare G4

14 November 2025

Astronomy · Nature · Photography · Tips · Travel

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,

13 November 2025

Astronomy · Comets · Interstellar Objects · Scientific Discoveries · Space News

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

Astronomy · Comets · Radio Astronomy · Scientific Discoveries · Space Exploration

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

Severe G4 Solar Storm Lights Up Skies: Northern Lights Visible Across U.S., Southern Lights in Australia — Where to Watch Tonight (Nov. 12, 2025)

What’s happening The Sun’s recent burst of activity sent a train of CMEs toward Earth. Overnight, the storm escalated to G4 (severe) levels, which NOAA’s Space Weather Prediction Center (SWPC) confirmed at 01:20 UTC on Nov. 12 (8:20 p.m. EST,

12 November 2025

Astronomy · Northern Lights · Science News · Space · Weather

Sky‑Spectacle Alert: Rare Northern Lights Could Paint U.S. Skies Tonight—Here’s the Science, the Map and the Expert Warnings You Need

Night Sky Tonight, November 12, 2025: Severe Auroras Possible, Taurid ‘Fireballs,’ and a Close Mercury–Mars Pairing

Updated: Wednesday, November 12, 2025 TL;DR (What to watch tonight) Breaking: Severe geomagnetic storm could supercharge tonight’s auroras The U.S. Space Weather Prediction Center reports G4 (Severe) geomagnetic storm levels were reached at 01:20 UTC on Nov. 12, with storming

12 November 2025

Astronomy · Auroras · Meteor Showers · Night Sky · Planetary Events

Science Breakthroughs That Rocked July 21–22, 2025. News Roundup.

Science Today — Nov. 12, 2025: Severe Auroras Sweep the Globe, Blue Origin Targets New Glenn Launch, Webb Spots Organic “Life Seeds” Beyond the Milky Way, Three Earth‑Size Worlds Found in a Two‑Sun System, Enceladus’ Ocean Looks Long‑Lived, and Earth’s Hidden Geology Fuels Ocean Volcanoes

Roundup of the biggest science stories breaking on November 12, 2025. From a rare G4 geomagnetic storm lighting up the skies to fresh clues about life-friendly chemistry and planetary formation, here’s what matters — and why. At a glance 1)

12 November 2025

Astrobiology · Astronomy · Earth Science · Geology · 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

Astronomy News 11 November 2025 - 16 November 2025