A rush rescue mission to save a NASA space telescope remains grounded, this time because of a last-minute launch problem.

The commission sees more opportunities to test and develop spacecraft in Texas, despite growing private investment in that ...

Good morning – and also, a quick goodbye. After more than two years and 300 newsletters, this is my final Morning Update. I’m ...

Scientists can pinpoint exoplanets and measure their mass by monitoring tiny changes in starlight over time in a process ...

NASA is racing to save its Swift telescope from falling back to Earth with a daring rescue mission. The salvage effort gets ...

As Greece braces for another blistering wildfire season, a new line of defense is taking shape in Earth’s orbit. A group of ...