With its impeccable landing on Thursday, NASA's Perseverance became the fifth rover to reach Mars—so when can we finally expect the long-held goal of a crewed expedition to materialize?
Space Exploration
Feb 20, 2021
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428
Whole neighbourhoods of Indonesia's capital Jakarta and dozens of major roads were flooded on Saturday after torrential rains pounded the Southeast Asian city overnight.
Environment
Feb 20, 2021
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19
Southern cities slammed by winter storms that left millions without power for days have traded one crisis for another: Busted water pipes ruptured by record-low temperatures created shortages of clean drinking water, shut ...
Environment
Feb 20, 2021
68
23
