When part of a SpaceX rocket re-entered Earth's atmosphere exactly a year ago, it created a spectacuglar fireball that ...

For the first time ever, scientists have observed in near real time a cloud of air pollution created as space debris burned up in Earth's The breakthrough measurement ...

For the first time, an international team of astronomers have mapped the vertical structure of Uranus's upper atmosphere, uncovering how temperature and charged particles vary with height across the ...

Scientists directly measured the lithium left behind in the mesosphere when pieces of a SpaceX rocket fell to Earth over ...