As an astronomer studying the universe beyond Earth, I’m fond of “outside the box” views almost by default. But one of my favorites is whenever a spacecraft takes a snapshot of our home world and the moon from a great distance. Stuck here on the ...

In a remarkable moment during its journey toward Jupiter, NASA’s Europa Clipper spacecraft managed to capture a stunning image of Mars and its two moons, Phobos and Deimos, in one frame. This rare celestial alignment provides a striking view of these ...

As the moon makes its monthly rounds in its orbit around the Earth, it frequently has encounters with bright stars and planets, with Saturn and Mars taking center stage in the nights ahead. In many ways, we can think of these gatherings in the night sky as ...

One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at its closest point to Earth in its orbit, and Hall had one question on his mind: Does the Red Planet have a moon? After multiple ...

South Korea aims to make a Mars landing by 2045, President Yoon Suk Yeol said Thursday, outlining plans to spend about $70 billion over the coming decades on space exploration. The two small moons of Mars, Phobos (about 22km in diameter) and Deimos (about ...

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 Planet. That means Phobos is closer to its planet than any ...

Elon Musk embraced a video praising the starship, Space X’s 120-meter reusable rocket built to carry 100-200 tons to the Moon or Mars per flight. As of 2026, this roadmap has