Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

How close are we to creating a real-life Star Trek replicator? This video breaks down the different versions from the shows and the real science that could make them possible one day. From energy use ...

They wrestled steel beams, hung off giant hooks and tossed red hot rivets – all while ‘strolling on the thin edge of nothingness’. Now the 3,000 unsung heroes who raised the famous skyscraper are ...

The comet 3I/ATLAS is taking a long holiday journey this year. It's visiting from another solar system altogether. It's the third interstellar object recorded passing through our solar system.

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...

Hey, what if you could have a factory that makes robots that is run by… robots? This is hardly an original thought, but we are a long way from having an assembly line of C3POs self-replicating. On the ...