As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

I/ATLAS is a natural celestial object with all the qualities typical to a comet. It doesn't just belong to our solar system.

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

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

Interstellar comet 3I/ATLAS sheds millions of tons of water as it leaves our solar system. New radio scans find no signs of ...

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

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