One proposes that passing asteroids were captured whole by Mars's gravity, which could explain the moons' somewhat asteroid-like appearance. The other says that a giant impact on the planet ...

The moons of Mars, Phobos and Deimos ... computer simulations to test an intriguing hypothesis. When a giant asteroid crosses Mars' "Roche limit," where tidal forces are so intense that they ...

That meant the moon was bright and it made it more difficult to spot Mars. A few netizens commented that Mars looked like “a normal star” in the sky. Yee Yin Cheong, a property agent who lives ...

The 12-carat, fancy vivid blue, cushion-cut diamond is estimated to sell for between $35 million and $55 million. Called "Blue Moon," the diamond was unearthed at Cullinan Mine in South Africa in ...

is that the moon formed during a giant impact between the proto-Earth, and another protoplanet roughly the size of Mars, sometimes called “Theia.” In this theory, the moon formed from the impact ...