Challenging long-held assumptions, Aarhus University researchers have demonstrated that the protein building blocks essential for life as we know it can form readily in space. This discovery, ...

What would it mean for humans if there were another species out there, and how big is the challenge when the human species is just a speck among others in space? The bigger problems and challenges ...

Alien life could exist on hot, rocky planets, sustained not by water but by a type of salty fluid, new research suggests. Reading time 3 minutes The search for alien life usually hinges on finding the ...

The search for extraterrestrial life is one of the most exciting frontiers of modern science. Thanks to recent discoveries of exoplanets like Gliese 581 g, Kepler-22 b, Kepler-186 f, and Kepler-452 b, ...

For more than a century, from George Melies’ A Trip to the Moon to Stephen Spielberg’s E.T. and Close Encounters to this summer’s blockbuster sequel to Independence Day, mass media, and the general ...

And, while we have no solid evidence of life outside our own planet—despite a large number of unexplained "UFO"-type observations —the sheer size of the known universe, and our knowledge of how ...

Forbes contributors publish independent expert analyses and insights. Dr. Lance B. Eliot is a world-renowned AI scientist and consultant. In today’s column, I explore a fascinating proposition about ...

Movile Cave in Romania has evolved independently since it was cut off from the air and sunlight 5.5 million years ago. Its extreme environment seems inhospitable to most life on Earth. Yet, this place ...

There is currently no proof that the universe is home to other intelligent life forms aside from the ones that inhabit Earth, and evidence to the contrary ...