When NASA scientists opened the sample return canister from the OSIRIS-REx asteroid sample mission in late 2023, they found ...

Mars looks quiet today, but new research suggests the planet’s surface still carries the rhythm of a vanished companion.

Regular, alternating layers in Gale Crater may have been deposited as the result of tides raised by a moon at least 18 times ...

We're working continuously to improve our search results. If you aren't finding what you expect, please use our feedback form to share the search query and expected result with us so we can improve.

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 ...

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 ...

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 ...

NASA's Perseverance rover snapped a photo of the sky in the hours just before dawn on March 1, 2025. Credit: NASA / JPL-Caltech In the hours just before dawn, NASA's Perseverance rover adjusted its ...

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 ...