What comes to mind when you think of space? Imagine a friend boasting about a spacious building, stadium or museum they recently visited. Do you envision the building as vast and expansive? Is it ...

Often misunderstood as "hovering," satellites are actually in constant free-fall, perpetually missing Earth's surface as the ...

NASMAIN copy purchased with funds from the S. Dillon Ripley Endowment. An account of the century of experimentation that confirmed Einstein's theory of relativity, bringing to life the science and ...

As my arms lift from my sides, and the rest of my body follows suit toward the ceiling of a modified Boeing 727—next to scientists, astronauts, engineers and activists—I think, “How did I get here?” I ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. What is space made of – what does gravity ...