They share a frozen postcard from Mars, what do we know about ice and snow on the red planet? | Video

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Posted at 19:50 ET (00:50 GMT) Friday, December 23, 2022

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Posted at 14:15 ET (19:15 GMT) Friday, December 23, 2022

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Posted at 23:08 ET (04:08 GMT) Thursday, December 22, 2022

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Posted at 19:07 ET (00:07 GMT) Thursday, December 22, 2022

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Posted at 16:18 ET (21:18 GMT) Thursday, December 22, 2022

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Posted at 16:09 ET (21:09 GMT) Thursday, December 22, 2022

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Posted at 10:37 ET (15:37 GMT) Thursday, December 22, 2022

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Posted at 10:36 ET (15:36 GMT) Thursday, December 22, 2022

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Posted at 11:12 ET (16:12 GMT) Wednesday, December 21, 2022

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Posted at 20:31 ET (01:31 GMT) Monday, December 19, 2022

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