The satellites were built by Millennium Space Systems, a Boeing company. The team is completing its integration of the ...

A new analysis of Voyager 2's data from 1986 reveals that Uranus isn't anywhere near as sterile as researchers once thought.

A small but mighty cluster of sunspots have made their biggest mark yet on Earth's magnetosphere—and on the radio signals ...

The Leonid meteor shower peaks in North America overnight from Nov. 17 to 18, with fast-moving fireballs possible in US skies ...

A Southwest Research Institute-led team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids ...

STEVE is a mysterious purple-white arc near the aurora, typically seen after space disturbances called substorms. A new study reveals a rare STEVE event without a substorm, prompting questions about ...

"Like rings of water spreading from a drop in a pond, circular waves from Helene are seen billowing westward from Florida," ...