Metal-rich asteroids could one day become hardware stores for Mars, supplying the materials needed to build and repair a ...

Stickney Crater, which is about 9 kilometers across, could hold clues to the moon’s history. If Phobos formed after a giant impact on Mars, the collision that created Stickney may have happened ...

Steven Benner’s Meet The Neighbors is an intriguing tale of misunderstood planetary biochemistry. Paul Marks is engrossed ...

Add Yahoo as a preferred source to see more of our stories on Google. A rocky planet orbiting in the habitable zone of a sun-like star may look like a perfect place for life to thrive — but not if ...

Where the Hell Are the Aliens, and What's Going on With UFO Disclosure Efforts? We Asked an Expert Obama kicked the hype back into overdrive with his recent remarks about aliens. But what's the status ...

Add Yahoo as a preferred source to see more of our stories on Google. The great physicist Enrico Fermi first posed the challenging question over half a century ago, wondering why we appear to be alone ...

Race Rage, Climate Craziness, and Sex-Change Silliness at the Smithsonian Christopher Nolan’s CCP Hostage Video The Reflecting Pool Debacle Reflects Trump’s Essential Spite Steve Benner’s Meet the ...

The night is dark; darker than usual. There's a warm breeze in the air, but otherwise nothing stirs save for a strange metallic object careening through the sky. As it moves, a soft glow follows, ...

A polarizing Harvard University astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security risks ...

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national ...