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 ...

Mars, the fourth planet from the Sun, is a subject of fascination for astronomers. Though significantly smaller than Earth, this red-hued world has two moons that continue to spark debate among ...

Forbes contributors publish independent expert analyses and insights. I cover aerospace, astronomy & hosted The Cosmic Controversy Podcast. Mars' mysterious moons of Deimos and Phobos have long ...

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 ...

The U.S. Department of Energy is working with NASA to develop a fission surface power system, which aims to extend missions ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The moon appears close to the bright star Regulus and Mars in the hours following sunset on June ...

The galactic centre area of the Milky Way in Sagittarius behind the grand old barn near home in southern Alberta, on June 30, 2019. (Photo by: Alan Dyer/VWPics/Universal Images Group via Getty Images) ...

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 ...

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 ...

Modest binoculars or a small telescope are all you need to see the Beehive Star Cluster. Appearing as a circular patch of light to the eye, a small scope resolves the Beehive into dozens of stars.