Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

This ship was huge. It was like a city-sized ship. And there was hundreds of beings on board,” said Debbie Solaris, a military veteran and one of six panelists sharing their alien encounters with a ...

In a major shakeup of the Artemis program, NASA is adding more missions to its timeline to land astronauts on the moon in 2028.

NASA says there's now zero chance that asteroid 2024 YR4 will crash into the moon in 2032. The space agency had been predicting a 4.3% chance of a direct hit.

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 ...

NASA's Artemis II is on track to shoot for the moon in April after engineers fixed the helium issue that grounded the mission's rocket last month.