Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.

This video explains the scientific methods used to study possible life beyond Earth, from astronomy and biology to careful analysis of data, while separating evidence from speculation.

Non-native and rare species of sea slugs described as looking like aliens have been found by a group studying rock pools. The ...

In the 1860s, white settlers flocked to what would become Marysvale, where the Deer Trail Mine is now located, with high ...

Yuri Milner, a Russian billionaire and internet entrepreneur, announced today that he is ready to spend $100 million over the next decade to search for signs that humans are not a ...

In the documents, Homeland Security said the raid "was based on intelligence that there were illegal aliens unlawfully ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

A portion of the MAGA base that has long supported mass deportations is worried that the Trump administration will pump the ...

Stocks’ favorite memory was watching Don Bender, who helped revitalize Little Five Points starting in the 1970s, surprise his wife Judy with a giant heart on their 50th wedding anniversary. Don gave ...

For Hailey Bieber, there was a personal tinge to her ICE OUT button: her father, Stephen Baldwin, is an avowed Trump ...

Border czar' Tom Homan will speak to reporters this morning about changes to federal immigration enforcement in Minnesota. He ...

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after more than two decades.