An asteroid impact millions of years ago may have provided a natural incubator for early life on Earth, scientists say.

Dante's Inferno describes Hell as a vast, inverted conical pit beneath the Earth's surface, narrowing downward through nine ...

A 1.85-kilometer-wide impact crater has been sitting in plain sight in northeastern China for tens of thousands of years, ...

Escape to a tiny Arizona town where desert views, local charm, and a slower rhythm make every moment feel calmer.

A colossal valley near Mars’s equator is revealing dramatic clues about the Red Planet’s watery and volcanic past. Stretching ...

NASA's Perseverance Mars rover recently took a self-portrait against a sweeping backdrop of ancient Martian terrain at a ...

Ancient floods once ripped across Mars, carving the massive Shalbatana Vallis channel and reshaping the planet’s surface. New Mars Express images reveal a chaotic landscape of craters, lava, and ...

How much water and lava flowed across the surface of Mars billions of years ago? This is what a recent image obtained from ...

Tonight is "blue moon Eve" (see the May 31 entry for more details). Late tonight, look toward the southeast to see one of the sky's most striking color contrasts. The bright, nearly full moon will be ...

The UNAMA report which claims Pakistani military operations in Afghanistan resulted in civilian deaths has revived an ongoing dispute about how international forces should evaluate military operations ...

Elon Musk’s bombshell decision to freeze plans to begin building a human colony on Mars, in favor of fostering a Moon city, is a cosmic mistake, says a top Mars scholar.