Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Two scientists want NASA to build a quarantine lab for alien germs on the Moon, rather than on Earth. The pair, ...

Scientists propose a simple but powerful new method for detecting traces of alien biology, whether on Jupiter's icy moons, in ...

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a ...

Moon dust may be hiding signs of pulverised alien technology, scientist says - Grain-sized remnants of alien technology may ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars ...

Researchers have looked at how particular microbes from Earth would fare in conditions like those of Mars, the moon, and the ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

Arizona State University doctoral candidates Tanner Barnes and Vince Debes hike Yellowstone's trails not as tourists, but as astrobiologists hunting for clues about life beyond Earth. Their ...