Astronomy on MSN

What will a human mission to Mars look like?

Since Viking 1 landed in 1976, humans have studied Mars from afar, relying on rovers and orbiters to analyze the planet. But ...
eLife

The urban tree of life: quantifying relationships between body size and urban tolerance for more than 30,000 plant and animal species

This study provides an important assessment of how body size influences the occurrence of macro-organisms in urban areas across the globe. Size in most plants, but only some animal families, was ...