This summer, exoplanet science — the study of planets orbiting stars beyond our sun — took a big step forwards. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of biology because they are often produced by living microbes. However, ...

There are hundreds of billions of stars in the galaxy we live in. Many of them have their own exoplanets. So why haven't we found proof of alien life yet? And what's the probability of us contacting ...

In the late 1950s, a small group of scientists began to search for alien life. Among them was geneticist Joshua Lederberg at Stanford, who in 1960 spoke at the First International Space Science ...

Scientists aren’t finding alien life because they are likely searching for the wrong signals or looking in the wrong places, a new study warns. Astronomers are mainly focused on avoiding “false ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets. Things mistaken for UFOs. In the search for alien life, humans have been fooled ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got stranded on earth when his alien compadres abandoned their botany mission. In ...