Unlike the moon with which we are familiar, which is 2,159 miles wide and located about 239,000 miles away, according to NASA ...

The mysterious interstellar object moving toward Earth is set to reveal its true origins, which a scientist said is either an ...

Due to the lapse in federal government funding, NASA is not updating this website. This movie clip shows the larger of Mars' two moons, Phobos, passing in front of the smaller Martian moon, Deimos, as ...

However, astronomers also use the term "black moon" to refer to the third new moon in a season of four new moons. That particular calendar quirk is what's happening this weekend — and it's all down to ...

On Aug. 17, 1877, American astronomer Asaph Hall discovered Mars's moon Phobos. Hall was working at the U.S. Naval Observatory in Washington, D.C. and looking through a 26-inch refractor telescope — ...

At night, the sky on Mars looks dark and full of stars, even more than on Earth. The air is thin, so stars look clearer and brighter. Mars has two small moons—Phobos and Deimos. Phobos moves quickly ...

A 2008 photo of Phobos in false color taken by the Mars Reconnaissance Orbiter in 2008. Credit: NASA In the first volume of his Mars trilogy Red Mars, science fiction writer Kim Stanley Robinson has ...

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 ...

Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light—a little too much pseudoscience and not enough science. We’ll let other publications offer you ...

Back in 2022 American space agency NASA slammed a spacecraft named Double Asteroid Redirection Test (DART) into the Dimorphos asteroid. The 14,000 mph (22,530 kph) impact was powerful enough to alter ...

The Red Planet and its tiny moon Deimos were recorded at a very near distance as the asteroid-chasing spacecraft completed a flyby on Wednesday. By Robin George Andrews Robin George Andrews wrote in ...

On March 12, the European Space Agency’s (ESA) Hera spacecraft captured rare images of Deimos, one of Mars’ two moons, from 621 miles away while en route to the asteroid moonlet Dimorphos. Like our ...