A rock measuring 900 meters is on a journey through our solar system, providing what is arguably one of the strongest pieces of evidence yet that life originated from outside of planet Earth.

The presence of the nucleobases in the samples reinforces the hypothesis that carbonaceous asteroids contributed to the prebiotic chemical inventory of the early Earth.

Results from Ryugu suggest the the Solar System produced the building blocks of life Scientists have found that all five of the substances that make up DNA and RNA in samples from Ryugu, the asteroid ...

A Japanese team, which detected DNA and RNA bases in this asteroid's samples, also shared a disclaimer.

Scores of claims are expected to arise out of the Trump administration’s crackdown on illegal immigration. Experts say suing ...

Anyone engaged in Palestine solidarity in Western Europe or North America has witnessed a disturbing spectacle: Iranian ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

A new genetic study published in the journal Cell is filling in some important details about the earliest inhabitants of Palau, an island nation in the western Pacific Ocean consisting of ...