Climate change is altering conditions in near-Earth space, which could limit the number of satellites that can reliably ...

The thermosphere usually drags space junk to its doom. As it thins, ruined orbits are a possibility Earth’s atmosphere is ...

Many environmentalists have argued that AI should be significantly curtailed for these reasons. Perhaps unexpectedly, Earth scientists—researchers who study the environment to make life-saving ...

I respect the president and I respect the American people,” the Ukrainian leader said in the interview, without admitting ...