The most significant change since those 1970's experiments were conducted was the discovery of high levels of perchlorate on Mars. Perchlorate, plus abiotic oxidants, explains the Viking results and ...

"With Mars sample return on the horizon and the prospect of future missions to Mars, perhaps even including life detection instruments, it may be timely to revisit the results of the Viking ...

The lunar lander built by aerospace company Intuitive Machines launched Wednesday on an eight-day journey for its ...

Despite some connection delays postlanding, the lunar lander Athena is officially set to study what lies beneath the moon’s ...

The moon lander Athena made it to the lunar surface, but its condition and exact location remain unclear, Intuitive Machines ...

These studies show that Mars is bombarded by meteorites far more often than previously thought — about 2.5 times more ...

Intuitive Machines' second moon lander was launched on Wednesday atop a SpaceX rocket, setting off for the latest private U.S ...

Intuitive Machines' lunar lander is set to begin its voyage to the moon Wednesday night with a launch from NASA's Kennedy ...

Intuitive Machines' second Moon mission ended in disappointment on Friday after the US company confirmed that its spacecraft ...

Firefly Aerospace made history Sunday as its Blue Ghost lunar lander successfully soft-landed on the moon. Firefly is now the ...

The Houston-based company put its Athena spacecraft on the moon just after 12:30 p.m. ET. The landing site is closer to the lunar south pole than any human or vehicle has traveled before.