Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

Invasive alien species don’t only drive out other native species, they also dramatically transform soils, water and ecosystems. A new assessment tool aims to pinpoint the negative environmental ...

Many of the most damaging invasions do not simply subtract species; they fundamentally remodel the environment, altering habitats, rewiring interactions, and shifting processes in ways that species ...

Project Hail Mary” is an upcoming science fiction space-adventure film based on the book of the same name by author Andy Weir, who also wrote ...

For four decades, many SETI experiments have focused on finding sharp spikes in frequency but the new study says signals may not stay narrow as they travel away from their home system.

Invasive species that are introduced into non-native environments threaten ecosystems, wildlife, and human well-being.

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

The machines are built from autonomous modules that can be snapped together in a variety of forms ...

The U.S. military’s Joint Task Force-Southern Border is marking its one-year anniversary this weekend. This milestone ...

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...

Phil Lord and Christopher Miller's lone-astronaut saga wants to be "Interstellar" meets "E.T.," but it's too long and too cutely formulaic.