The air quality index measures PM2.5, less than 2.5 microns particles, to determine the intensity of air pollution in cities.
The closest of the asteroids to us—estimated to be about the size of a car—is whizzing through space at 27,358 miles per hour ...
Lightning can be used to probe Earth’s dynamic Van Allen radiation belts, directly connecting terrestrial weather and space ...
When NASA launched a spacecraft to an asteroid, scientists patiently waited for their chance to look at bits of the space ...
Jeff Bezos' rocket company has given NASA a brief taste of the moon's gravity without straying too far from home ...
Commander Suni Williams and Butch Wilmore have finally left the International Space Station, but only briefly.
An asteroid with the power to unleash an explosion one hundred times greater than the atomic bomb has triggered global space ...
As that description notes, the WorldView Legion spacecraft are capable of resolving features as small as 12 inches (30 ...
NASA scientists have uncovered significant changes in the global water cycle over the past two decades, largely driven by ...
NASA issues alert for two asteroids passing Earth soon, highlighting the importance of asteroid tracking and planetary ...