Tianwen 2 will collect samples and deliver them back to Earth in late 2027, using a reentry capsule. Then the spacecraft will slingshot around our planet for another deep-space rendezvous: a visit ...
What if an asteroid was headed straight for Earth? The scenario has been played out many times in films such as "Armageddon" and "Deep Impact," but NASA and FEMA want to make sure they're prepared for ...
New Scientist on MSN
The moon's largest crater didn't form in the way we thought
The impact that carved out the South Pole-Aitken basin on the moon appears to have come from the north, not the south as ...
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