It took Ghez to find one in our own backyard. Ghez and a scientist working separately, Dr. Reinhard Genzel, shared the 2020 ...

When it comes to particle physics, however, much of the action takes place in giant accelerators smashing particles together ...

This aerospike engine —fueled by a combination of cryogenic liquid oxygen and kerosene — delivers an impressive 5,000 Newtons ...