Scientists say extraterrestrial life may exist elsewhere in the universe, but vast distances, enormous energy requirements and Earth's unique environment make alien visits to Earth highly unlikely.

A Titan human mission is no longer just a wild idea from science fiction. Scientists are now starting to discuss it as a serious long-term goal after the Moon and Mars. That does not mean a crew is ...

Edward Leedskalnin was a tiny Latvian guy who got his heart broken and decided the appropriate reaction was to build an ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

NASA's Curiosity rover found pure sulfur crystals inside a rock after backing over and accidentally crushing it on May 30, ...

We at The American Spectator recently published an essay titled “Going and Coming to Mars: What Could Possibly Go Wrong?” by Armando Simón, which argues sending humans to the red planet would be a ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

Between government document dumps and a Spielberg movie about extraterrestrial life, it’s a good week to believe in aliens. It’s also a good week to reality-check that belief. About a third of the ...

The film “Mary Oliver: Saved by the Beauty of the World” works best when it illuminates her work, whose fans include Stephen Colbert and Oprah Winfrey. By Alissa Wilkinson This silly supernatural ...

Police say a 15-year-old opened fire after an argument at Westgate, injuring five people before being found hiding in the plaza. A Tempe woman is suspected of being impaired when she collided with ...

Millie Bobby Brown commemorated her summer with a series of Instagram photos, which included a rare picture of herself with her daughter. Blake Lively and Ryan Reynolds were not among the star-studded ...