The larger of the two strikes churned out boulder-size slabs of ice, which may help researchers look for ways future astronauts can tap into Mars' natural resources, scientists say.
Nicknamed Percy, the rover is tasked with caching samples that may contain signs of ancient life, as well as characterising the planet's geology and past climate.
After circling Mars more than 1,300 times, Chinese spacecraft has taken images covering all of the Red Planet, which include China's first photographs of the Martian south pole.
The Shenzhou 14 crew will spend six months on the Tiangong station, during which they will oversee the addition of two laboratory modules to join the main Tianhe living space that was launched in April 2021.
China will launch a spacecraft carrying three astronauts on a scheduled flight to the core module of the unfinished Chinese space station, where they will work and live for six months.
NASA's $37 billion rocket system aims to return astronauts to Moon and establish a long-term lunar colony as a precursor to eventual human exploration of Mars.
Top price is expected to go to third-largest Mars rock on Earth, but the quirkiest item up for grabs is a dog house that was hit by a meteorite in 2019.
NASA's Perseverance collected the first of numerous mineral samples from the surface of the Red Planet that may have trapped tiny bubbles of ancient Martian water.
NASA mission drills hole on Mars as the first step of a sampling process that is expected to take about 11 days, with the aim of looking for signs of ancient microbial life that may have been preserved in ancient lakebed deposits.
China’s first Mars landing follows its launch last month of the main section of what will be a permanent space station and a mission that brought back rocks from the moon late last year.
NASA's Mars Ingenuity helicopter has been given at least an extra month to tackle tough new terrain and support Nasa’s Perseverance Rover, helping with its hunt for signs of life.
SpaceX beat Blue Origin and Dynetics to win the contract and become what NASA called its "most trusted private sector partner."
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