New research using data from NASA's Van Allen Probes mission helps resolve decades of scientific uncertainty over the origin of ultra-relativistic electrons in Earth's near space environment, and is likely to influence our understanding of planetary magnetospheres throughout the universe.
A new instrument that combines two high-resolution telescope techniques – adaptive optics and interferometry – has for the first time distinguished and studied the individual stars in a nearby binary star system, demonstrating promise for eventually picking out planets around other stars.
The Earth temporarily gained a third radiation belt last year, NASA's Van Allen Probes mission has revealed.
NASA's two GRAIL probes have now successfully been placed in orbit around the moon.
The Fermi paradox asks why, if intelligent life is common, no technological civilizations have ever been observed.
NASA is hoping to launch its twin Grail spacecraft this morning, after a temporary delay because of poor weather.