When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

An artistic representation of Cassini as it prepares for its final dive. (NASA) If we could hear the cosmos, our lives might ...

It catches very low frequency radio waves made by lightning, solar storms and charged particles moving through Earth’s ...

Federal officials awarded a $1.28 billion border wall project in Southern Arizona to a company favored by President Trump, five months after a previous contract led to accusations of improper ...

A company that heavily lobbied President Trump is part of the lucrative business of constructing the new steel wall along the border in Arizona. An up-close look at the 30-foot-tall, rust-colored ...

The badge of a US Immigration and Customs Enforcement (ICE) agent. (Reuters) A man was fatally shot by an US Immigration and Customs Enforcement (ICE) agent during an immigration enforcement operation ...

Looking for an archive of past Wordle answers? Wordle has become something of a household name in browser-based games over the past year, its daily puzzles prompting the entire internet to stretch ...

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