The idea of spending my evenings along the river peering into the heavens sounded fun, so I added a Hestia to my pack. Here’s how it went.

Created by the sun, the protective bubble of the heliosphere shields our solar system from harmful radiation. A new mission ...

Skygazers, get ready to head outside and spot the supermoon, coming in October.

NASA has announced 10 new astronaut candidates, including Katherine Spies, a former Marine Corps pilot and chemical engineer and Southern California native, who will undergo two years of intense ...

Earth has a newly discovered—albeit temporary—companion in its journey around the sun. In research published this month in ...

Scientists have used the Gaia Space Telescope to create a 3D map of star kindergartens within the Milky Way, and you can fly through it.

A partial solar eclipse happens Sunday in parts of the Southern Hemisphere. Saturn will also appear at its brightest, with ...

The moon is near new phase this week, and clearer skies and cooler overnight temperatures means that this is also an optimum ...

Stargazers can tune in to the Virtual Telescope Project's YouTube stream beginning at 11 p.m. EDT on Sept. 17 (3:00 GMT Sept.