K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know.

Aliens have personal needs too ... Black swans are old hat — it’s time markets started thinking about little green ones instead.

Vulcans' unique physiology means their blood appears green instead of red, like humans in the Star Trek franchise.

Registration will be mandatory for people aged 14 or older who do not have legal status. It will also apply to Canadians who ...

Last time Trump demanded social media handles for citizenship, green card, and visa applicants, it was only for immigrants ...

The US Citizenship and Immigration Services (USCIS) in a release stated, “Today, USCIS will begin considering aliens’ ...