I've been finding my way around the night sky with a star map for more than six decades and have always found it quite easy. And then in 1994, I visited the Southern Hemisphere for the first time. For ...

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 ...

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 ...

"We will never forget Gaia, and Gaia will never forget us." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Europe's star-mapping Gaia space ...

Scientists have devised a new method for mapping the spottiness of distant stars by using observations from NASA missions of orbiting planets crossing their stars' faces. The model builds on a ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Artist impression of ESA's Gaia satellite observing the Milky Way. The background image of the ...