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

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Are either of the moons of Mars large enough to eclipse the Sun as seen from the surface of Mars? Paul MancusoMilpitas, ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The Perseverance Mars rover's Mastcam-Z camera the Martian moon Phobos transit the Sun. See real-time and time-lapsed views ...

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 ...

While we earthlings prepare for a rare total solar eclipse that will pass over North America, Mars had one of its own earlier this year. A timelapse of photos taken by NASA's Perseverance rover Feb. 8 ...

NASA’s longest-lived mission to Mars has gained its first look at the Martian moon Phobos, pursuing a deeper understanding by examining it in infrared wavelengths. The Thermal Emission Imaging System ...

Previously unpublished photos of Mars' moon Phobos hint that the mysterious satellite may actually be a trapped comet — or perhaps just a piece of one, along with its twin moon Deimos. When you ...

Earth isn't the only planet experiencing spectacular solar eclipses as moons pass in front of our solar system's sun. Two months before a total solar eclipse is expected to shroud a long swath of ...

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

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. NASA's Mars Perseverance rover acquired this image using its ...