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 ...

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 ...

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 ...

MOUNTAIN VIEW, Calif. (KGO) -- The idea of putting a man on the moon was a revolutionary proposal in 1961-- that ambitious goal was achieved in 1969. The last person to go to the moon was 46 years ago ...

Experts speculate a new Phobos mission could launch by 2030, leveraging advancements in propulsion and AI for safer trajectories. The Phobos-Grunt mission, Russia’s endeavor to explore Mars’ moon ...

The new moon on Aug. 23 at 2:06 a.m. EDT (0606 UTC) is also a black moon, defined as the third new moon in a season that will see four new moons. Three days later, the moon will make a close pass to ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky.

On October 22, the Moon will achieve two close conjunctions, passing 5° south of Mars and 2° south of Mercury, before reaching its orbital apogee at 406,445 km (252,553 miles) from Earth. Observers ...

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 ...