See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Six of our solar system's planets are due to line up in our night sky ...

NASA’s Psyche spacecraft just used Mars as a giant slingshot on its journey to a mysterious metal world that could reveal what’s hidden inside planets like Earth.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Keep an eye on the ...

NASA’s Psyche mission to investigate a metal-rich asteroid captured rare glimpses of Mars during a recent flyby.

Keep your eyes on Mars in our night sky this week. Our neighboring planet—the fourth from the sun in our solar system and approximately half the size of Earth—will look larger and brighter in our ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye all February long — with two other planets also detectable for skywatchers ...

When it comes to the question of which planet humanity could one day call home, the obvious choice might seem to be Mars. But surprisingly, Venus might actually be a better candidate for human ...

Mars is known for its barren desert landscape and dry climate. But two recent studies go beneath the surface: They explore the interior of the red planet using seismic data from NASA's InSight mission ...