How to recognize extraterrestrial life if space chemistry produces the same building blocks as biology? This fundamental ...

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, ...

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, ...

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 ...

New research announced by NASA on Tuesday details a bevy of exciting discoveries from asteroid dust that could provide clues to how life developed in our neck of the cosmos, including the sugars ...

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 ...

As a child, astronomer Jill Tarter would walk along the beaches of western Florida with her father and look up at the stars. "I assumed, at that time, that along some beach on some planet, there would ...