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 ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

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

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

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.

Staff Sergeant 81 faces a deadly alien machine during a brutal Ranger training mission as Earth comes under attack from mysterious extraterrestrial pods. Read more.

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs ...

Maryland Attorney General Anthony Brown is asking a federal court to immediately stop any construction or renovation of a ...

The U.S. Department of Homeland Security is giving a $113 million contract to renovate a proposed federal immigration ...