Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

For years, nuclear propulsion sat in the same category as so many ambitious space ideas, impressive on paper, always a few ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

New panoramic views from NASA's Curiosity and Perseverance rovers reveal dramatically different Martian terrains shaped by ...

NASA’s Mars Reconnaissance Orbiter (MRO) has provided new high-resolution images of Candor Chasma, a massive canyon within Mars’ Valles Marineris. These images, captured by the HiRISE camera and ...

There are many different ways to get to Mars, but there are always tradeoffs. Chemical propulsion, proven the most popular, can quickly get a spacecraft to the red planet. But they come at a high cost ...

Katrin Raynor reveals how Ingenuity’s triumph on Mars opened up a bold new era of flight on other worlds ...

A technology that could propel crewed missions to Mars and robotic spacecraft throughout the solar system was recently put to ...

A mysterious interstellar comet — just the third such object ever confirmed to have entered our solar system — streaked past Mars last week. A spacecraft in orbit around the red planet had a front-row ...