Searching for UFO files carries different risks than regular browsing. Your ISP can see every query. Data brokers can track your interests. Governments, militaries and other authorities and agencies ...

Aliens have invaded the news again. Last month, two US presidents weighed in on the topic in rapid succession, managing to make a public that was already obsessed with extraterrestrials even more so.

Donald Trump's pledge to declassify long-rumoured 'alien files' has triggered an unusual backlash across the United States ...