A theory as to why we haven't heard from aliens which renowned theoretical physicist and cosmologist Stephen Hawking agreed with has resurfaced online. Planet Earth is about the size of a speck of ...

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

Researchers used Green Bank Telescope to detect radio signals from 3I/ATLAS just before its closest approach to Earth.

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 Age of Disclosure director Dan Farah doesn't just contend that aliens are real. His film makes a fascinating case that ...

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

On Friday, interstellar comet 3I/ATLAS makes its nearest approach to Earth. Here's what you need to know, and how to track ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

It came from outer space. Interstellar space, to be precise. From somewhere beyond the influence of our sun, possibly from ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...