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

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

Episode two also featured a key moment that only the most dedicated fans might have picked up on. This inside joke actually ...

Harvard's Avi Loeb maintains a 'Rank 4' assessment for interstellar visitor 3I/ATLAS, citing 15 anomalies that defy natural ...

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, ...

Avi Loeb keeps interstellar object 3I/ATLAS at rank 4 on his classification scale as scientists await new data from its 2026 Jupiter flyby.

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

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

Harvard's Avi Loeb claims the 3I/ATLAS object might be an alien battleship, but NASA experts insist the data confirms it is ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

A Harvard University astrophysicist has ignited intense debate after saying he cannot rule out the possibility that ...

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