US space leadership is at risk without urgent action on launch emissions, orbital debris, and space sustainability. With the ...

A compelling session at the EHA Congress explored how space research is reshaping our understanding of hematologic processes.

The human fingerprint on global warming was likely evident in Earth’s atmosphere far earlier than previously thought—even ...

The aquatic chemistry and flow rates in Interior Alaska’s streams are shifting in response to thawing permafrost and ...

The recent discovery of a key mineral has reshaped our scientific understanding of what Mars looked like in the past.