Firefly Aerospace’s Blue Ghost Mission 1 successfully completed its two-week mission on the Moon, becoming the first fully ...

That extreme cold complicates how astronauts and equipment function during lunar nighttime. Artificial heating systems increase power demands. Engineers must plan carefully for the wide temperature ...

Try these discussions to improve your speaking and listening. There are 20 questions in each activity - 10 for Student A and 10 for Student B. You can print out the worksheet. You can listen to the ...