While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.

The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...

Agreement to focus on creation of 100% ammonia combustion dual fuel with natural gas small-size turbinesAmmonia is a low-carbon fuel that can play a critical role in decarbonizing hard-to-abate sector ...