The Why Files on MSN

“I need to see the president” - What the alien said after landing

In 1957, a 300-foot craft landed quietly in Virginia. Out stepped a man in a metallic jumpsuit who simply said, “I need to see the president.” His name? Valiant Thor. He claimed to be from Venus—and ...

8 burning theories that could prove 3I/ATLAS is an alien spacecraft, according to Harvard scientist

With 3I/ATLAS streaking away from our planet, speculation remains as to whether the interstellar comet is alien or not.

3I/ATLAS shock: Putin claims interstellar comet is 'Russia's secret weapon' in wild joke

Imagine a comet coming from the depths of another star system, causing a lot of talk about aliens coming to Earth. Then ...

3I/ATLAS Mystery: Why Is NASA Hiding Observation Logs Of Interstellar Visitor?

Is NASA hiding the truth about 3I/ATLAS? Explore the 'cosmic rebel' defying physics and why legal experts say a lawsuit may ...

Here’s where NASA is looking for alien life in our solar system

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