A collection of rocks scattered on an ancient shoreline on Mars might indicate that the Red Planet was once far more Earth-like than scientists previously thought. The rocks, discovered by NASA's ...

Sharmila Kuthunur is a Seattle-based science journalist covering astronomy, astrophysics and space exploration. Follow her on X @skuthunur A collection of rocks scattered on an ancient shoreline on ...

Ancient Mars may have been surprisingly similar to planet Earth, a NASA rover has revealed. Using the ChemCam instrument on NASA's Curiosity rover, research teams from the Los Alamos National ...

Mars is said to be a planet that is particularly similar to Earth in the solar system, and evidence of the existence of water in the past and organic compounds that may be signs of life have been ...

Skeptics have long questioned why UFOs, if they are alien craft, would visit Earth so often. But two Harvard scientists ...

Mars may face more than twice as many close encounters with potentially dangerous asteroids as Earth does, according to a new study. This could imperil exploratory missions to the Red Planet, but ...

Using meteorites that were long ago chipped off the red planet around 11 million years ago and flung into space to eventually ...

The conventional wisdom about Mars' small and misshapen moons, Phobos and Deimos, is that they were either created like Earth's Moon — carved out of the planet by an impact with a huge object — or ...

Potentially hazardous asteroids pose a risk to Mars missions, but they can also yield insight into the history of the Red Planet and the early solar system, new research suggests. Mars may face ...

May 31, 2024 — Mars has a distinct structure in its mantle and crust with discernible reservoirs, and this is known thanks to meteorites that scientists have analyzed. These results are ...

When a meteorite smashed into Mars 11 million years ago, debris landed on Earth as meteorites, giving an unparalleled look at ...