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News, resources, and updates about 3I/ATLAS

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The Asteroid Belt: What Separates Inner and Outer Planets

The asteroid belt between Mars and Jupiter divides the solar system's rocky inner planets from the gas giant outer planets. Learn what it is and why it matters.

What Direction Does a Comet's Tail Always Point?

A comet's tail always points away from the Sun, driven by solar wind and radiation pressure. Learn why, how the two tail types differ, and what anti-tails are.

Comet R2 SWAN's Anti-Tail: The Sunward Spike Explained

Comet C/2025 R2 SWAN stunned observers with a rare anti-tail pointing toward the Sun. Learn what causes this optical illusion and how it compares to 3I/ATLAS.

Avi Loeb and 3I/ATLAS: Every Claim, Every Rebuttal, and What Science Actually Shows

Harvard's Avi Loeb called 3I/ATLAS 'possibly hostile alien technology.' Here's a complete fact-check: 50+ essays, the nickel anomaly, the Musk debate, panspermia claims, and what 4 SETI searches actually found.

Halley's Comet 2026: Can You See It? Meteor Showers, Position & What to Know

Can you see Halley's Comet in 2026? No — but its Eta Aquariid meteor shower peaks May 5-6 with up to 50 meteors/hour. Here's where Halley is now, when it returns, and how 3I/ATLAS compares.

When Does Halley's Comet Return? 2061 Guide, History & How It Compares to 3I/ATLAS

Halley's Comet returns July 28, 2061 — 10x brighter than 1986. Learn where it is now, its 2,000-year history, the Eta Aquariid meteor shower, and how it compares to interstellar comet 3I/ATLAS.

What Did Elon Musk Say About 3I/ATLAS? Every Quote and the Science Behind It

Everything Elon Musk has said about interstellar comet 3I/ATLAS — from the Joe Rogan podcast to his 'Alienz' tweet, the Avi Loeb nickel debate, and what SpaceX could actually do.

3I/ATLAS Update Today: Nucleus Detected, JWST Methane, and JUICE Data Incoming

Today's 3I/ATLAS update: Hubble confirms a 1.3 km nucleus, JWST detects methane for the first time in an interstellar object, SPHEREx catches a post-perihelion eruption, and ESA's JUICE data arrives February 18.

3I/ATLAS Update: Rare Cosmic Alignment, SPHEREx Discoveries, and What's Next

Latest updates on interstellar comet 3I/ATLAS: opposition alignment, SPHEREx chemical discoveries, TESS time-lapse, evolving Ni/Fe ratio, and the upcoming Jupiter flyby in March 2026.

Where Is 3I/ATLAS Now? Position, Speed & What's Next

Track where interstellar comet 3I/ATLAS is in February 2026 — current position in Gemini at magnitude 15, fading fast, with a Jupiter flyby at 0.36 AU coming in March.

3I/ATLAS Radio Signals: What Telescopes Actually Detected

Radio telescopes detected natural hydroxyl emissions from 3I/ATLAS while four SETI facilities searched for technosignatures. Here's what was actually found — and what was made up.

Best Images of 3I/ATLAS: Every Telescope That Captured the Comet

A complete visual guide to the best images of interstellar comet 3I/ATLAS — from Hubble and JWST to amateur astrophotographers, Mars orbiters, and X-ray telescopes.

3I/ATLAS Images: Forensic Review of What's Real and What's Fake

A forensic review of 3I/ATLAS imagery — from Hubble jet detection and amateur astrophotography artifacts to viral deepfakes and AI-generated hoaxes circulating on social media.

Europa Clipper Observes 3I/ATLAS When No Other Telescope Could

NASA's Europa Clipper captured ultraviolet observations of interstellar comet 3I/ATLAS during solar conjunction, detecting water, hydrogen, and oxygen from a vantage point no Earth telescope could reach.

Paul Craggs Captures Stunning 3I/ATLAS Images With a $550 Smart Telescope

Canadian astrophotographer Paul Craggs captured some of the clearest amateur images of interstellar comet 3I/ATLAS using a portable DWARFLAB Dwarf 3 smart telescope, sparking global media attention and scientific analysis from Harvard's Avi Loeb.

3i Atlas: The Mysterious Interstellar Visitor Challenging Scientific Understanding

Discover the unprecedented features of 3i Atlas, the interstellar comet with bizarre light polarization and unusual behavior that has scientists reconsidering what we know about cosmic objects.

The Mystery of 3i Atlas: Unraveling Our Solar System's Strangest Visitor

Discover the bizarre behaviors of 3i Atlas, the interstellar comet defying scientific explanation. Learn why its green glow, metal content, and steady movement puzzle astronomers.

Comet 3I/ATLAS: NASA's Groundbreaking Study of an Interstellar Visitor

Discover how NASA is tracking and studying Comet 3I/ATLAS, the rare interstellar visitor passing through our solar system. Follow its journey with multiple space missions.

3I/ATLAS: The Remarkable Interstellar Comet's Journey Through Our Solar System

Discover everything about 3I/ATLAS, the rare interstellar comet passing through our solar system. Learn about its discovery, composition, and why scientists are so excited about it.

3I ATLAS Mars: Exploring The Interstellar Comet's Mysterious Journey

Discover the latest findings about 3I/ATLAS, the mysterious interstellar comet passing through our solar system and near Mars. Learn why scientists are fascinated by this rare cosmic visitor!

3I/Atlas: The Interstellar Comet's Alien Secrets & Scientific Impact

Is 3I/Atlas an alien spacecraft? Discover the truth about this massive interstellar comet, its unique CO2 composition, and what it reveals about our galaxy. Get the full story.

3I/ATLAS Latest News: Images, Mass Anomaly & Future Observations

Get the latest news on interstellar comet 3I/ATLAS. See stunning new images, learn about its massive size anomaly, and discover when to see it next. Your complete guide.

3I/ATLAS Timeline: Your Complete Guide to the Interstellar Comet

Discover the 3I/ATLAS timeline from discovery to departure. Learn when and how to see this rare interstellar comet, its scientific significance, and key dates.

Interstellar Objects: 3I/ATLAS, 'Oumuamua & Beyond | Ultimate Guide

Discover interstellar objects like 3I/ATLAS. Learn about 'Oumuamua, Borisov, NASA's findings, and what these cosmic travelers reveal about our galaxy. Explore now!

Oumuamua: The First Interstellar Visitor's Mysteries Explained

Discover the truth about Oumuamua, our solar system's first interstellar visitor. Explore its origins, strange properties, and scientific significance in this comprehensive guide.

3I/ATLAS: The Interstellar Comet's Journey & NASA's Findings

Discover NASA's insights on interstellar comet 3I/ATLAS: its origin, trajectory, composition, and why it’s not an alien spacecraft. Explore the science now!

First High-Resolution Images of 3I/ATLAS Released

Stunning new images from the Hubble Space Telescope reveal unprecedented detail of the interstellar comet's nucleus and coma structure.

Orbital Analysis Confirms Interstellar Origin of 3I/ATLAS

New calculations definitively prove that 3I/ATLAS originated from outside our solar system, making it the third confirmed interstellar object.

Understanding Hyperbolic Orbits: How We Know 3I/ATLAS is Interstellar

A detailed explanation of orbital mechanics and how astronomers determine whether an object originated from outside our solar system.