Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than previous interstellar visitors.

Firefly Aerospace (FLY) stock fell over 12% in extended trading on Tuesday after the firm’s Alpha rocket exploded during a ...

SpaceX is seeking approval from the Federal Aviation Administration (FAA) to fly its massive Starship rocket on a trajectory that would take it over Florida after launching from its Starbase site in ...