A small asteroid has been quietly following Earth’s orbit for decades—unseen, unbothered and, until recently, completely ...

In 2010, the Japanese Aerospace Exploration Agency (JAXA) made history when its Hayabusa probe became the first spacecraft to ...

A paper published in Nature last week showed decades of satellite imagery tracking phenology, or the seasonal cycle of Earth’s ecosystems. It showed ”‘hotspots’ of seasonal asynchrony around the world ...

While asteroids are more easily discovered with optical telescopes, radar images shine when it comes to details. Rising out of the remote Mojave Desert, NASA's Goldstone Solar System Radar is a ...