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There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

The White House turned a legal term into a science-fiction spectacle. The real story is not the theatrics. It is how language ...

“Disclosure” has become a cult word. It shouldn't be, since all it means, technically, is to reveal something. But the new ...

The alien thriller leaves audiences with one final directive—and plenty to debate.

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

Steven Spielberg's claims of alien visits to Earth spark debate among scientists, who stress the lack of credible evidence ...

In 1877, an Italian astronomer mapped faint lines on Mars and called them canali, meaning channels or grooves. But the word ...

Readers sent hundreds of reflections on the nation’s 250th birthday in recent weeks, and we’ll publish a story about them on ...

President Donald Trump has shown that with the appropriate political will, presidents can secure the border without help from Congress. Lower courts, partnered with open-borders activists, have sought ...

Our search for technosignatures—clear signs of advanced civilizations beyond Earth—takes many forms. Many are driven by the famous Drake equation, which attempts to estimate how many technological ...