The historic return-to-the-moon mission is just days away, as Nasa plans to launch Artemis II on April 1. This will mark the first time a crew flies aboard the Space Launch System (SLS) rocket and ...

It's been a century since a two-second rocket flight in Massachusetts kicked off the liquid-rocket-fuel revolution. Robert H. Goddard (1882-1945), who directed the flight, is widely considered to be ...

One example cited by MacDonald is the emergence of ever larger and increasingly expensive observatories in the United States. It is certainly an unusual approach to include observatories alongside ...

NASA's Space Launch System (SLS) rocket for the Artemis 2 mission stands at 322 feet tall. The SLS is NASA's most powerful rocket, generating 8.8 million pounds of thrust. While massive, the SLS is ...

Rotating detonation rocket engines work differently than traditional rockets to maximize thrust while using less fuel—an ...