The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

Scientists are studying Saturn's moon Titan to assess its tidal dissipation rate, the energy lost as it orbits the ringed planet with its massive gravitational force. Understanding tidal dissipation ...

The Sun sets differently on Mars. Part of that is due to its distance from the star (an average of 142 million miles versus ...

A supposed square structure spotted on Mars sparked speculation about alien archeological sites on the red planet. It's a fun ...

Surrounded by hundreds of onlookers, Hirokuni Kakiuchi stood with his neck craned toward the ceiling at the 2011 Tokyo ...

The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...

Five hundred years after the Spanish explorers, billionaires' dreams of new riches and discovery launched from near Canaveral ...

Matt Damon has a knack for playing characters in need of rescue, whether it be from deep behind enemy lines in wartime or off ...

Looking for NYT Connections answers and hints? Here's all you need to know to solve today's game, plus my commentary on the ...

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Fresh off the FireAid stage, Lady Gaga is gearing back up to grace the Grammy stage alongside Bruno Mars to perform a tribute to Los Angeles during Sunday night’s event. Rumors had been ...