Maymo the Dog comes face to face with a towering alien and couldn't look less impressed if he tried.

Steven Spielberg's claims that aliens have already visited Earth have drawn a mixed but pointed scientists' reaction this week, with astrophysicists in the UK and Australia stressing that while ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

The crowd smoothly parts when Ponthier makes their way though, smiling and waving at fans. It’s a momentous homecoming, but ...

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

Supreme Court rulings, culture-war politics and renewed nativism reveal a republic still wrestling with the question of who ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar system and is unlike anything ever before seen in our cosmic backyard, ...

Some experts have called the Miami Circle one of the most important prehistoric sites in North America.

WASHINGTON —The Supreme Court ruled Thursday that the Trump administration can turn away migrants who show up at the US-Mexico border before they apply for asylum, in a victory for the White House’s ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

Judge Andrew Fishkin's ruling likely ends a months-long ordeal for the California woman, one of thousands adopted from abroad who were never granted citizenship because of bureaucratic loopholes ...