Astronomers found that interstellar object 3I/ATLAS shows an "extreme abundance ratio" of nickel and iron in its gas plume. Astronomers are still poring over data to get a better sense of 3I/ATLAS, ...

In 1977, the Ohio State University’s Big Ear radio telescope received an unusually strong narrowband radio signal, leading to widespread excitement about the possibility of having encountered evidence ...

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien technology, a scientist claims in a new report. 3I/ATLAS was first identified ...

For over two months, astronomers have been closely following an interstellar object — dubbed 3I/ATLAS — as it screams through the solar system at a breakneck speed. The unusual visitor was only the ...

It's probably a comet, but it might be some sort of ancient alien spacecraft or probe. What's for sure is that the mystery surrounding an object known as 3I/ATLAS is becoming both more and ...

An interstellar visitor to our solar system known as 3I/ATLAS has captivated the public for months, and it's not hard to see why. But for scientists around the world, the discovery that 3I/ATLAS is ...

NASA officially found what has been hiding in our solar system. There are things in our stellar formation that we simply cannot see due to our position relative to the sun and the light it emits.

3I/ATLAS likely weighs more than 33 billion tons. The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously thought, astronomers say. A ...

A mysterious object traveling through our solar system may have emitted a signal, according to a scientist. This enigmatic entity, potentially originating from beyond our solar system, has sparked ...

In a remarkable development, NASA has confirmed the detection of a mysterious object entering our solar system, classifying it as a visitor from interstellar space. This revelation, made in 2025, ...

A comet known as 3I/ATLAS made news in July when it was confirmed to have originated outside Earth's solar system. One infamous theory even posited that the interstellar interloper, estimated to be ...

TAIPEI, Taiwan (AP) — Taiwan will accelerate the building of a “Taiwan Shield” or “T-Dome” air defense system in the face of the military threat from China, its leader said Friday. President Lai Ching ...