Why Mars Appears to Be Moving Backward
What's really happening when Mars is in retrograde?
Find out everything there is to know about Mars and stay updated on the latest Mars news with the comprehensive articles, interactive features and Mars pictures at LiveScience.com. Learn more about this fascinating planet as scientists continue to make amazing discoveries about Mars.
The Viking landers that touched down on Martian soil in the 1970s may have set all the evidence for carbon-based life-forms on fire, a new study suggests.
A big sand dune blazes in an electric blue on the Red Planet in a gorgeous photo by NASA's Mars Reconnaissance Orbiter (MRO).
Microgravity makes everything harder … especially when bodily fluids are involved.
Bizarre rock formation known as Medusae Fossae weren't created by UFOs crash-landing, but rather by massive volcanism on the Red Planet.
NASA's long-lived Opportunity Mars rover is weathering a monster dust storm that has plunged its environs into permanent darkness.
NASA did find two more scraps of evidence about the kind of life that might exist on Mars. Here's what the new research really shows.
For a permanent Mars base to survive, we might have to turn humans into Martians.
SpaceX CEO Elon Musk has a vision: He wants to get humans to Mars as soon as possible. Is that humanity's best option?
As for what caused the failture, NASA engineers aren't sure yet.
The space travel of science fiction could be closer than you think.
These Marsbees would flap their way around the Red Planet, mapping the terrain and collecting air samples.
In an online publication, this astronomer reports the detection of a very bright object in the night sky that wasn't there before. Turns out, he's thousands of years late for this discovery.
Elon Musk's spacefaring Tesla Roadster is likely carrying the biggest bacteria payload to ever leave Earth.
To gain a fuller understanding of Falcon Heavy's caliber and the ambitions behind the SpaceX launch, it is worthwhile to look at the numbers.