Scientists have captured rare insights into Mars’s north polar vortex, where temperatures plunge far below those outside its boundaries and darkness triggers an unusual surge in ozone. New observation ...

Scientists solve a 15-year Mars mystery, confirming ferric hydroxysulfate formed by volcanic and hydrothermal heating across ...

For years, scientists staring at Mars through the eyes of orbiting spacecraft noticed something strange: a mysterious signal ...

The entire progression will be observed by the ESA’s orbiters the Mars Express and ExoMars Trace Gas Orbiter as well as ...

Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.

NASA’s Perseverance rover has discovered a peculiar “float rock” on Mars, named “St. Pauls Bay,” resembling a cluster of ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets.

Scientists to get closest look yet at mysterious object as it blasts past Mars - The interstellar object will hurtle within ...

Seismic studies reveal Mars may have a solid inner core. The result deepens knowledge of its evolution and lost magnetic ...

The lumps frozen in Mars' mantle may have been there for billions of years. Astronomers may have figured out where the mysterious blobs embedded in Mars' mantle originated. The mysterious lumps have ...

Beneath the surface of Mars lie an array of mysterious "blobs" that might hold clues about the earliest days of our solar system. NASA's InSight Lander discovered the dense lumps scattered through the ...

A picture snapped by NASA's Curiosity Rover on Mars shows a mysterious light in the distance, raising eyebrows online. That light is seen on the right side of the photo. This has some speculating ...