After NASA confirmed that interstellar object 3I/ATLAS mysteriously split in half and one fragment vanished, a chilling signal began pulsing from its last known location — leaving scientists stunned, theories spiraling from physics to the paranormal, and humanity facing the unsettling possibility that we are not alone.

In an extraordinary and unsettling development, NASA and international observatories have confirmed that the interstellar object known as 3I/ATLAS — only the third known visitor to enter our solar system from another star system — has split perfectly in half, with one of its fragments disappearing entirely from radar and optical tracking.

Within hours of the event, a repeating pulse signal was detected emanating from the region where the fragment vanished, leaving scientists stunned and the global astronomy community in chaos.

The anomaly was first detected late Tuesday night by the Atacama Large Millimeter Array (ALMA) in Chile, which reported a “sudden bifurcation” in the object’s optical profile.

Minutes later, NASA’s Deep Space Network confirmed that the object had indeed divided into two distinct bodies.

“It wasn’t a collision, it wasn’t a disintegration — it was a precise separation,” said Dr.

Lena Korowitz, a NASA astrophysicist based at the Jet Propulsion Laboratory (JPL).

“Both halves appeared to move in synchronized trajectories for several seconds… then one just vanished.”

For nearly an hour after the event, observatories across the world — from Hawaii’s Mauna Kea to the European Southern Observatory in Spain — tracked the remaining half of 3I/ATLAS as it continued its path toward the inner solar system.

But what followed moments later transformed this from a scientific puzzle into what many are calling the most chilling event in modern astronomy.

At 03:47 UTC, a low-frequency repeating signal was detected by NASA’s Goldstone Deep Space Communications Complex.

The signal, described as a “structured pulse,” repeated every 47 seconds and lasted approximately 11 minutes before fading completely.

“It’s not background noise, and it’s not a known satellite or human transmission,” said Dr.Satoshi Inoue, a radio astronomer at Kyoto University who helped analyze the data.

“It’s patterned — intentional.

Something produced it.”

The discovery has already drawn comparisons to the legendary “Wow! Signal” of 1977, a mysterious one-time radio burst that remains unexplained to this day.

But unlike that incident, the 3I/ATLAS signal was detected by multiple observatories on three continents — ruling out local interference or error.

While NASA has not made an official public statement beyond acknowledging the split, leaked internal memos obtained by independent astronomers reveal that the agency has restricted further public data release from its deep-space tracking systems “pending correlation review.

” This decision has fueled speculation across social media that the agency may be withholding critical details about what was detected.

“This object is behaving as if it’s being controlled,” said Dr.

Korowitz in a private communication later shared with several science journalists.

“It’s maintaining energy and momentum in ways we don’t see in natural interstellar debris.

The perfect symmetry of the split, and the timing of the signal, suggest deliberate coordination — not randomness.”

3I/ATLAS was first identified earlier this year by the Pan-STARRS Observatory in Hawaii and quickly drew comparisons to the infamous ‘Oumuamua, the first interstellar object ever detected in 2017.

But unlike ‘Oumuamua’s elongated cigar shape and passive trajectory, 3I/ATLAS has demonstrated unexplained velocity shifts, glowing plasma trails, and an electromagnetic signature that fluctuates in patterns inconsistent with known cometary or asteroidal behavior.

Adding to the intrigue, multiple independent researchers reported that just hours before the object’s split, NASA’s Solar and Heliospheric Observatory (SOHO) detected a brief solar flare directed precisely toward 3I/ATLAS’s position — a coincidence that some now believe may have triggered or revealed its internal activity.

As the world’s major telescopes prepare for a coordinated reacquisition attempt in the coming days, the central question remains: where did the missing half go? If it continued on a different trajectory, current technology should have detected its heat or light signature by now.

Yet as of Thursday morning, every attempt to locate the fragment has failed.

Meanwhile, the faint repeating signal has not returned — but several deep-space arrays continue to monitor the same coordinates, waiting for any sign of another pulse.

Some theorists have even proposed that the signal could be a form of response or communication, perhaps transmitted before the object’s disappearance.

Whether 3I/ATLAS is an exotic fragment of interstellar matter, an ancient probe, or something beyond human comprehension, one fact is undeniable: its behavior challenges every known law of physics.

As Dr.Inoue summarized in a late-night interview, “We’ve seen comets break apart.

We’ve seen asteroids collide.

But we’ve never seen one split itself, vanish, and then speak.”

For now, the world waits — for the next signal, for the next detection, or for the next question that might finally answer what 3I/ATLAS truly is.

Whatever happens next, one thing is certain: this cosmic mystery has only just begun.