Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Ryan Gosling couldn't be more charming in "Project Hail Mary," based on Andy Weir's novel. Comparisons to "The Martian" aside ...

At the keynote panel at SXSW, Steven Spielberg revealed his beliefs that "we are not alone here on Earth right now." ...

Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique ...

Theoretically, it’s impossible for us to perceive a 4D creature. That is, unless it broke into our three-dimensional reality.

DENVER—Last month, President Donald Trump took to social media with an announcement that he would direct the Pentagon and other federal agencies to “begin the process” of disclosing government files ...

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

To hell with your Fermi paradox: we’ve got presidential declarations. During a podcast interview with political commentator Brian Tyler Cohen released Sunday, former president Barack Obama casually ...

Elon Musk had some bizarre things to say at a recent xAI meeting. Credit: Hakan Nural/Anadolu Agency via Getty Images And in an unusual move, xAI posted the entire 45-minute meeting online. The most ...