From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

NASA reveals high-resolution images of interstellar comet 3I/ATLAS after the US shutdown. Is it alien tech? Associate ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

Could life exist beyond Earth? This documentary investigates the solar system’s most promising candidates for alien life, ...

Looking ahead, the comet will pass roughly 33 million miles from Jupiter in March 2026. Loeb noted the scientific value: monitoring 3I/ATLAS with the Juno spacecraft could reveal unusual activity, ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

The controversial Harvard astronomer is one of the main sources of the "alien mothership" hypothesis. This is what he thinks, ...

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

Avi Loeb says interstellar objects such as 3I/ATLAS could carry time capsules into deep space faster than spacecraft built with 1970s technology ...

Scientists have sought out and detected radio emissions from from interstellar comet 3I/ATLAS, all but confirming that it has natural origins.

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...