Deep-sea sediment layers show rare microbial wrinkle structures that formed in environments far beyond the reach of sunlight. Dr. Rowan Martindale, a paleoecologist and geobiologist at the University ...

After two decades of quiet data processing on millions of crowd-sourced home computers, the SETI@home project has narrowed ...

What does it take to detect a radio signal sent by extraterrestrial life to Earth? Two decades of work involving radio ...

Frozen crystals of hydrogen cyanide, a poisonous substance, may have been essential to life on Saturn’s moon Titan, ...

After reviewing almost 30 years of signals, University of California Berkeley researchers have identified 100 mysterious, ...

For decades, scientists have tried to turn the question of alien life from late-night speculation into something you can ...

The History Channel series returns January 15 with "Skulls of the Gods," examining whether these archaeological finds have ...

Exceptionally preserved fossils from the Ediacaran period challenge what scientists thought was possible in sandstone. In the fossil record, creatures without hard shells or skeletons, such as ...

The origin of life is surely one of the most important questions in biology. How did inanimate molecules give rise to the ...

When interstellar visitor 3I/ATLAS exhibited some peculiar movements, speculation arose regarding potential alien origins.

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...