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The Latest Breaking News from the Solar System

12 billion years old, this interstellar comet is older than our Solar System

One year ago, on July 1 2025, astronomers discovered a fascinating new object moving through the Solar System. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was quickly recognised as something special.

The Conversation

Alien Probes Could Be Hiding In Solar System Beyond Our Sight, NASA Study Suggests

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to rule them out. From misidentified rocket boosters to blurry moon maps, it suggests we have barely begun to look for extraterrestrial artefacts.

International Business Times UK

In 1995, astronomers found a planet circling a Sun-like star, and the solar system stopped looking unique

In 1995, scientists made a revolutionary find with the discovery of 51 Pegasi b, a massive exoplanet in a tight orbit around its star. This startling revelation contradicted prior assumptions about how planets form, opening our eyes to the possibility of planetary systems that aren't structured like our own.

The Economic Times

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'Pretty Sure It Passed Us Already': Mysterious 3I/ATLAS Brightening Sends UFO 'Signal' Theories Into Overdrive

The interstellar object 3I/ATLAS has sparked online speculation about alien technology after viral TikTok videos claimed unusual behaviour. Astronomers attribute its brightening to natural processes.

International Business Times UK

Stardust trapped in Antarctic ice reveals tens of thousands of years of Solar System’s past

When you think of outer space, you’re likely picturing stars, planets and moons. But much of space is filled with clouds of gas, plasma and stardust – known as interstellar clouds.

The Conversation

Rare Interstellar Comet 3I/ATLAS Offers Insight into Early Milky Way

Rare interstellar comet 3I/ATLAS is revealing clues about the early Milky Way, offering scientists a glimpse into conditions billions of years ago.

International Business Times UK

3I/ATLAS Makes Another Bizarre Move as It Exits the Solar System, Scientists Say It's Now Emitting Methane

Interstellar comet 3I/ATLAS surprises scientists by emitting methane as it exits the Solar System, revealing clues about its distant origins.

International Business Times UK

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All 5 'letters' of DNA found on an asteroid speeding through our solar system. What do they tell us about the origins of life?

JAXA samples reveal that asteroid Ryugu has a complete set of nucleobases, the building blocks of DNA, suggesting these ingredients of life may be common in the solar system.

LiveScience

3I/ATLAS Update: Harvard Expert Claims 'Alien Spaceship' Is From Milky Way Disc

Harvard astrophysicist Avi Loeb says interstellar comet 3I/ATLAS likely comes from the Milky Way's disc, as astronomers grapple with its bizarre chemistry and disputed age.

International Business Times UK

How do we know what asteroids are made out of?

Asteroids are some of the oldest objects in the Solar System: leftovers from the chaotic time when planets were assembling from dust and rock. They’re time capsules, preserving clues about what the early Solar System was like, and, ultimately, what the building blocks of planets are.

The Conversation

NASA Scientists Are Tracking A Massive Interstellar Comet Older Than The Solar System

NASA data reveals a dramatic blue glow from the ancient interstellar comet 3I/ATLAS. Discover why this 8-billion-year-old visitor is baffling astronomers now.

International Business Times UK

NASA Data On 3I/ATLAS Reveals 'Chemical Scream' As Interstellar Visitor Heats Up

A new 3I/ATLAS captured by NASA-supported Gemini North telescope revealed a 'chemical scream' as the comet's temperature rises up.

International Business Times UK

Hubble Spots Alien-Like Jets Erupting From 3I/ATLAS — And Scientists Are Stunned

Hubble's latest images of interstellar comet 3I/ATLAS reveal sustained, jet-like eruptions and a carbon dioxide-rich coma that challenge existing comet physics, offering a rare insight into material from beyond the Solar System.

International Business Times UK

ISRO Captures 3I/ATLAS in Unprecedented Detail — A Quiet Event With Big Impact

ISRO's Mount Abu telescope captured an unprecedented, detailed view of 3I/ATLAS, only the third confirmed interstellar object.

International Business Times UK

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International Business Times UK

3I/Atlas Interstellar Comet is 'Alien': All You Need to Know

Scientists debunk alien claims about interstellar comet 3I/Atlas, explaining its rare chemistry, deep-space age, and high speed as it passes through the Solar System.

International Business Times

Alien Ship Or Interstellar Iceberg? Why 3I/ATLAS Is Not The ET Probe The Internet Hoped For

Astronomers have ruled out alien origins for interstellar visitor 3I/ATLAS, confirming it's a natural comet—not an extraterrestrial spacecraft—while revealing clues about its ancient birthplace beyond the solar system.

International Business Times UK

Alien Ship Or Interstellar Iceberg? Why 3I/ATLAS Is Not The ET Probe The Internet Hoped For

International Business Times

3I/ATLAS Is Leaving the Solar System Forever — Here's How to Watch It Go

Comet 3I/ATLAS, the third confirmed interstellar visitor, is making its final exit from the solar system — and skywatchers have a last chance to witness this once-in-a-lifetime spectacle before it disappears forever.

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International Business Times UK

Comet 3I/Atlas Is Leaving the Solar System Forever — Here's How to Watch It Go

International Business Times UK

3I/ATLAS Near-Sun Mystery Deepens — Interstellar Visitor Behaves Like No Known Comet

NASA scientists stunned as interstellar comet 3I/ATLAS shows bizarre near-Sun behaviour, defying known physics and hinting at secrets older than the Solar System.

International Business Times UK

3I/ATLAS Comet Safely Passes Earth — No Deviation, No Danger Confirmed

NASA has confirmed that interstellar comet 3I/ATLAS safely passed Earth without any deviation from its predicted trajectory, dismissing online fears of a potential impact or orbital anomaly.

International Business Times UK

3I/ATLAS 'Alien Mothership' Rumours: Harvard Scientist Says Comet Could Use Sun's Gravity to Target Earth

The rare interstellar comet 3I/ATLAS is under intense scrutiny as it passes through the solar system. Spacecraft like Hera, Europa Clipper, and JUICE are positioned to observe its unique 56,000 km ion tail.

International Business Times UK

3I/ATLAS Sparks Global Alarm: Truth Behind the Mysterious Interstellar Object Now Targeted by NASA and UN Teams

NASA confirms the interstellar object 3I/ATLAS poses no threat to Earth, despite viral speculation. Scientists and the UN are monitoring the rare visitor to study its alien origins and composition.

The Conversation

Tiny crystals in Earth’s crust have captured the movement of the Milky Way’s spiral arms

When most of us think about what shaped our planet, we probably picture volcanoes, earthquakes, and huge continents slowly drifting apart (or back together again) over millions or billions of years. We also know meteorite impacts were important; our crater-packed Moon is clear evidence of that.

The Conversation

The hunt for ‘planet nine’: why there could still be something massive at the edge of the Solar System

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the discovery of Pluto in the 1930s. Labelled as planet X, prominent astronomers had put it forward as an explanation for Uranus’s orbit, which drifts from the path of…

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