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Mars July 16, 2018

Why Mars appears to be moving backward

Our solar system is in constant motion, with all eight planets — and dwarf planet Pluto — orbiting the sun. Most of those planets are visible from Earth, even to the naked eye. If you track them in the sky night after night, you'll notice that their position changes slightly; as they orbit the sun, they appear to move from west to east against a fixed backdrop of distant stars.

Mars July 16, 2018

Geometry helps solve the mystery of Mars' water

The Martian surface is crisscrossed with what looks like the scars of running water cut into its dusty dry surface.

Mars July 13, 2018

NASA shares creepy image of 'spiders' on Mars

Arachnophobia is defined as the "extreme or irrational fear of spiders." But that "fear" isn't just limited to Earth.

Mars July 13, 2018

Mars 'ghost' dunes may have evidence of alien life

Newly published research shows that hundreds of depressions on Mars' surface, aptly named "ghost dunes," could hold evidence of ancient life.

Mars July 13, 2018

Touring where the Mars-500 'astronauts' pretended to take a Red Planet journey

It's a quiet morning on Mars as I carefully walk on the dusty ground, watching my step so I don't trip on any of the rocks underfoot.

NASA July 12, 2018

NASA may have discovered and then destroyed organics on Mars in 1976

Over 40 years ago, a NASA mission may have accidentally destroyed what would have been the first discovery of organic molecules on Mars, according to a report from New Scientist.

Mars July 10, 2018

Life on Mars could have gotten an early start, 'Black Beauty' meteorite suggests

It didn't take long for Mars to become a potentially habitable world, a new study suggests.

Mars July 10, 2018

NASA shocker: Astronaut reveals humans could have been on Mars in the 1960s

Hero astronaut Chris Hadfield says we could've sent humans to Mars in the 1960s – but there's a very good reason we didn't.

NASA July 5, 2018

Opportunity Mars rover still silent beneath raging dust storm

NASA's Opportunity Mars rover remains silent as a giant dust storm continues to swirl on the Red Planet.

Proud American June 28, 2018

How Buzz Aldrin wants to make Mars habitable

Buzz Aldrin, the second man to walk on the Moon, has pushed for humanity to expand its presence in space, making Mars habitable for mankind. But for a planet whose atmosphere is almost entirely made up carbon dioxide, how will humans do something as simple as breathe, much less live?

Mars June 26, 2018

Buzz Aldrin: How we can make Mars missions a reality

While the private sector continues to expand and help shape the future of space exploration, former astronaut Buzz Aldrin believes billionaires aren’t necessarily the answer to conquering the unrelenting quest for knowledge among the stars.