We didn’t know what exactly to expect from these first observations — the Sun’s poles are literally terra incognita,” said ...

Webb has captured a frigid exoplanet in a wildly tilted orbit, revealing a system shaped by past planetary violence and ...

The moons that orbit Uranus are already known to have unusual characteristics: some are heavily cratered, others have ...

Compared to conventional ground-based radiometric tracking, GIRO is expected to provide accuracy that is 10 to 100 times better,” Ryan Park, chief engineer at NASA’s Jet Propulsion Laboratory, said in ...