To assess the plausibility of alien visitors, it’s necessary to understand the obstacles that an extraterrestrial vessel would need to overcome to reach Earth ...

Firefly Aerospace, based in Cedar Park, will help carry four NASA drones to the moon’s south pole as part of the agency’s ...

Later this year, a prototype telescope is slated to land on the moon. It could usher in a new era of lunar radio astronomy.

Books that rely on hard science fiction have been popular since the 1950s, and they continue to fascinate, challenge, and ...

Deep in Nevada’s Mojave Desert, where classified projects have taken to the skies for over seven decades, a mysterious ...

A new propulsion system feeds the same "monopropellant" fuel into electrical and chemical thrusters, potentially saving on ...

Even though astronomers didn’t detect alien tech signals from a rare interstellar visitor, the results are worthwhile, they ...

If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

The group leading the charge in the search for extraterrestrial life has given the all clear. The SETI Institute said ...

The TRAPPIST-1 system, located about 41 light years from Earth, has been a focal point of much exoplanetary discussion—mainly ...

The object, called 3I/ATLAS, is only the third interstellar visitor ever detected passing through our Solar System.