A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological ...

Is 3I/Atlas an interstellar alien vessel or simply an intriguing, unique rock hurling through the cosmos? That debate has been raging ever since the comet, only the third known interstellar object to ...

A recent SETI Institute study suggests that space weather could blur and weaken extraterrestrial radio signals long before they reach us.

Anytime a new object is spotted in the sky, it sparks excitement for astronomers. When it is determined that the object is entering our solar system from interstellar space, it is exciting for ...

It flew too close to the Sun. Manhattan-sized comet 3I/ATLAS allegedly executed an unusual maneuver while approaching the Sun earlier this week, fueling theories that it could be an extraterrestrial ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

On November 1 st, the New York Post wrote “The Manhattan-sized interstellar object 3I/ATLAS exhibited signs of non-gravitational acceleration and appeared bluer than the Sun as it passed our local ...

An astrophotograph of the interstellar comet known as 3I/ATLAS highlights its green coma and a wandering blue-tinted ion tail. (Copyright Victor Sabet and Julien De ...

WASHINGTON — NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that astronomers have determined is a comet probably even older than our solar system, as space agency ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...