On the martian surface, would the moons Deimos and Phobos be visible to the unaided eye? David De RooSilver Spring, Maryland ...

The UAE is to extend its history-making Mars mission until 2028, five years on from the Hope probe being launched into space. The spacecraft entered the Red Planet's orbit on February 9, 2021, in a ...

Mars, a world now circled by two lumpy rocks, may once have hosted a colossal companion that dominated its sky. New work on the planet’s tides, topography and wobbly interior points to a “lost” ...

A recent discovery suggests Mars may have once had a much larger moon, which could have caused tides in a lake that once ...

Searching for clues on Phobos and Deimos. Mars has been studied and scrutinized more than any alien world. Since 1964, some 40 expeditions have been dispatched to the Red Planet. Orbiting spacecraft ...

Phobos is the larger and innermost of Mars' two moons, and it's a fascinating celestial body. It's small, irregularly shaped, and orbiting just about 6,000 kilometers above the surface of the Red ...

People in the Eastern Hemisphere may see Earth’s shadow pass over the lunar surface, covering our world’s natural satellite in a flush of red. By Katrina Miller Katrina Miller has previously reported ...

A 2008 photo of Phobos in false color taken by the Mars Reconnaissance Orbiter in 2008. Credit: NASA In the first volume of his Mars trilogy Red Mars, science fiction writer Kim Stanley Robinson has ...

NASA's Perseverance rover snapped a photo of the sky in the hours just before dawn on March 1, 2025. Credit: NASA / JPL-Caltech In the hours just before dawn, NASA's Perseverance rover adjusted its ...

NASA’s Perseverance rover captured this view of Deimos, the smaller of Mars’ two moons, shining in the sky at 4:27 a.m. local time on March 1, 2025. Credit: NASA/JPL-Caltech Perseverance caught a ...

Once in a while, you might look up and marvel at magnificent views of our moon, its surface dramatically lit by our sun’s light. But have you ever paused to wonder what other moons might look like ...