NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

At Niagara Falls, the iconic honeymoon and tourist destination on the U.S.-Canadian border, visitors from both countries took ...

NASA’s Curiosity rover has captured breathtaking images of red and green-tinted clouds drifting across the Martian sky. These ...

Scientists say the threat of a newly discovered asteroid has risen slightly in the past few weeks as the world's telescopes ...

Two such lunar canyons, Vallis Schrödinger and Vallis Planck, stretch over 270 km (168 miles) each, with depths of 2.7 km ...

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

The rare marble used by Michelangelo is mined in a huge Tuscan quarry where panels are cut from solid rock at an altitude of around 1,000 meters. Trump gets mad at CNN reporter Kaitlan Collins for ...

Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: NASA/MSSS/Caltech/ CTX topography: NASA/MSSS/USGS HiRISE: NASA/U.Arizona/USGS/Amaz ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Red rocks, ghost towns and alpine vistas: hop on board the luxurious Rocky Mountaineer to explore some of the most ...

Elon Musk—head of the Department of Government Efficiency, owner of SpaceX, Tesla and X, and the wealthiest person in the world—has worked toward colonizing Mars. While its environment is far from ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...