On Mars, the Perseverance rover found a spotted rock that could bear signs of ancient life. On Earth, a researcher used a lookalike for a dry run.

The Library of Congress leverages analytical techniques for material assessment and conservation, safeguarding invaluable historical documents and artifacts.

Innovative battery technologies are key to bridging the gap between energy storage needs and current production capabilities, enhancing performance and safety.

What was the universe like in the first few hundreds of millions of years after it came into existence? How did the first stars and galaxies form? Those are questions that astronomers now have a ...