Imminent loss of NASA's Aura and Canada's SCISAT will severely diminish scientists’ ability to monitor ozone-depleting substances in the stratosphere.

The US Space Force announced Friday it selected SpaceX, United Launch Alliance, and Blue Origin for $13.7 billion in contracts to deliver the Pentagon's most critical military to orbit into the early ...

For the first time, scientists have collected measurements close to a giant iceberg, giving an unprecedented window into the impact of meltwater on the surrounding Southern Ocean and ecosystem. The ...