NASA’s PREFIRE mission, now extended through 2026, is shifting from the poles to a global view. Its twin CubeSats measure far ...

NASA and ISRO’s NISAR satellite has unfurled its record-breaking radar antenna, paving the way for global monitoring of ice, forests, and natural disasters.

Delaying Mars Sample Return will make the human exploration of Mars significantly more expensive and dangerous — and for the ...

That strange interstellar object flying by us may, according to one outlandish astronomer, have been sent by aliens to see ...