Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

NASA is recruiting volunteers for a year-long space simulation where they will undergo all the experiences associated with ...

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home ...

It's the next generation — of science. A new study appears to have legitimized the popular science fiction belief that "warp drives" — known by nerds as super-powered space engines from "Star Trek" — ...

Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...

Solar winds and coronal mass ejections may scatter narrow signals, making them harder for Earth-based telescopes to detect. The SETI Institute uses radio telescopes to search for signs of intelligent ...