The threat from space rock 2024 YR4 has surpassed that of Apophis, an asteroid feared by scientists 20 years ago. The danger remains low, but experts are estimating the damage that could be done.

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

The rocket's first stage will come back to Earth about eight minutes after liftoff, landing on a drone ship stationed in the ...

Elon Musk plans to send a Tesla Bot, powered by xAI’s artificial intelligence model Grok, on SpaceX’s next Mars mission by ...