Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...

A prominent British vicar has said that Christians should be more optimistic about attitudes towards aliens and UFOs, adding ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Scientists say the Moon could serve as Earth’s first biological shield by housing a secure facility for quarantining samples returned from space. Credit: Shutterstock Researchers propose turning a ...