Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Artist impression of ESA's ...

If you explore the night sky it won't be long before you realize there is a lot of dust and gas up there. The interstellar dust between the stars accounts for 1% of the mass of the interstellar medium ...

PARIS — The European Space Agency (ESA) launched its €940 million ($1.3 billion) Gaia star-mapping spacecraft Dec. 19 after postponing the mission one month due to technical issues involving a ...

Once you know how to use a star map, finding your way around the night sky is easy. Credit: Creators.com illustration I’ve been finding my way around the night sky with a star map for more than six ...

The star-mapping Gaia satellite was struck by high-speed micrometeoroid, and it left a gap in the shield, scientists say. ESA/ATG medialab; background: ESO/S. Brunier Science fiction movies that show ...

Astronomer Bob Benjamin has spent the past 20 years trying to figure out what the Milky Way looks like. The work isn't easy, because we're inside the galaxy and can't see it from the outside, but ...