Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

NASA's Mars Reconnaissance Orbiter took this photo as Perseverance crossed the 42-kilometer finish line—or is it a starting ...

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

This was his first real shipwreck treasure hunt, and it did not start small. After the salvage crew used a mailbox blower to open a hole in the ocean floor, the first dive produced two silver coins ...

Do little green men exist? Was 'Men In Black' a documentary? Prediction markets price the odds of the U.S. confirming aliens before 2027 - here’s why traders overwhelmingly expect a government ...

Delve deep into the dread main battle titan of the Adeptus Titanicus - the Warlord Titan and its long twisting walk through ...