Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting ...

“Firefly captured the beauty of our home planet during another Earth orbit ... landing rovers on Mars called terrain relative navigation, in which on-board computers use images of the terrain ...

While the Outer Space Treaty paints a fairly harmonious picture ... the only planet humans have sent rovers to explore. One day on Mars takes a little over 24 hours and a year is 687 Earth days.

Trump claimed that it was America's 'manifest destiny' to 'plant the stars and stripes on the planet ... Mars is still up for grabs While the Outer Space Treaty paints a fairly harmonious picture ...

In addition to that, some scientists worry that the amount of metal that will be burning up in Earth's atmosphere as old satellites are deorbited could trigger unpredictable changes to the planet ...

A researcher at London’s Natural History Museum, Dr. Joe McNeil, with collaborators at The Open University, used high-resolution images ... of a planet that may have once been capable of supporting ...

The ripples suggest that the lake was free of ice at one point.

The 'God of War': Mars was ... the fourth planet from the Sun. Martian day: As Mars orbits the Sun, it completes one rotation every 24.6 hours, which is quite similar to an Earth day (23.9 hours).

Why it's so special: These odd, fan-like features on the surface of Mars are geysers of gas and dust near the planet's south pole that are visible only in springtime on the Red Planet. This image ...

Company of Heroes developer Relic Entertainment is making a new, smaller-scale turn-based strategy game called Earth vs. Mars ...

NASA's Perseverance collects the “Silver Mountain” sample in Jezero, revealing geological secrets and possible traces of ...

Related: Earth from space — Incredible images of our planet from above Writing in his book Pale Blue Dot (1994), Sagan's famous description of the image is just as relevant and powerful today as ...