Claims that aliens are already here are everywhere, but proving them is another matter. The strongest cases become more ...

For decades, humanity has listened to the cosmos, hoping that somewhere among the stars another civilization might be trying to reach us. Powerful telescopes scan distant worlds, radio antennas search ...

With over decades of films and convincing radio plays, aliens have captivated our imaginations and our worst fears. They’ve come in all shapes and sizes, looking either cute and cuddly or absolutely ...

The newly discovered exoplanets, designated as GJ 9827 b, c and d, are located fairly close to their host star, completing orbits within 6.2 days. ESO A nearby 'super‑Earth' just 25 light years from ...

Natural sorting of ocean salts in icy vents on Saturn’s moon could aid the search for life, researchers report. With a global ocean of liquid water below a thick crust of ice, Saturn’s moon Enceladus ...