Scientists have found microorganisms crawling over a sample retrieved from the 200 million-mile-distant asteroid Ryugu. But ...

A recent discovery made by scientists working with a sample of rock from outer space highlights one of the huge challenges ...

Recent findings indicate that the chirality of molecules, critical to life's structure, might not have been as fixed in early ...

One of the more popular explanations for everything these days, like a masterpiece pencil portrait that resembles a ...

A congressional hearing this month calling for greater government transparency on UFOs is one of the latest events spurring ...

In the search for extraterrestrial life in the universe, biosignatures, which indicate or suggest the presence of a ...

Japanese researchers developed a model to simulate early Earth's atmosphere, revealing how UV radiation and hydrocarbons ...

Scientists may learn more about Earthly life and maybe extraterrestrial life by studying how these extremophiles endure harsh environments. In the ACS Journal of Proteome Research, researchers ...

From Roswell to the USS Nimitz, sightings and evidence abound. How do we investigate UFO reports—and are they real in the ...

As the universe expands (as it does in a dark matter-dominated universe) the distance between us and all other stars ...

Scientists have found what seems to be the oldest direct evidence of hot water flowing on Mars during its ancient past. The ...