NEW DELHI — An Indian air force jet crashed in the western state of Rajasthan on Wednesday, killing both pilots, officials said.

The recovery in global jet fuel demand is set to slow and stall below pre-pandemic levels this year and next as the Chinese travel abroad less, stringent U.S. immigration policies deter some tourists ...

Located billions of light-years away, the "Cosmic Owl" is a pair of colliding ring galaxies spotted by the JWST. It's also an "exceptional natural laboratory" for studying how galaxies evolve.

The U.S. Army's history is closely tied to its mounted cavalry, those soldiers who rode into battle on horseback.