The skepticism and debate around the question of "are we alone in the universe" makes the field of astrobiology more cautious ...

NASA just made a discovery that could change everything: an underground ocean on Saturn’s moon Enceladus. With the potential ...

Learn why a lichen found in the Mojave Desert has become key evidence in the search for extraterrestrial life.

A mysterious visitor from another solar system could be an alien spacecraft, according to a leading Harvard astronomer.

Astronomers have been trying to detect atmospheres on planets orbiting TRAPPIST-1, but bursts of radiation from the star make this challenging ...

In this week’s episode of Space Minds David Ariosto sits down Nathalie Cabrol, Director of the Carl Sagan Center at the SETI Institute who explains why the Red Planet may hold answers about ...

Stories about the existence of aliens, and our chances of detecting them, tend to be positive. We are told that we might ...

Former NASA agent Joseph Gutheinz dismisses UFO sightings as alien visits, citing vast interstellar distances. He suggests these sightings are likely ...

Astronomers detected dimethyl sulfide (DMS) on exoplanet K2-18b, sparking excitement about potential extraterrestrial life. While DMS is typically produced by biological processes, scientists urge ...

To that end, humankind’s search for extraterrestrial life, be it on the dusty red plains of Mars or on the distant K2-18b, has focused on finding evidence of microbes and, by extension ...

The origin of life is one of the most fundamental and enduring questions of mankind and one of the three greatest Origin ...

So if we can find evidence of it accumulating in an atmosphere, it will raise some eyebrows. Even more telling would be a biosignature composed of oxygen and other compounds related to life on Earth.