Add Yahoo as a preferred source to see more of our stories on Google. The newfound exoplanet HIP 99770 b (circled), as imaged by Japan's Subaru Telescope. Data from Europe’s star-mapping Gaia ...

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The discovery has also revealed star coordinates, meaning Hipparchus was the first to use them for determining the positions of those stars. When you purchase through links on our site, we may earn an ...

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 ...

The approach could lead to many more exoplanets being directly detected and imaged. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking ...

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 ...

STAR MAPPING: A contract for the Gaia global star-mapping mission is expected to be signed off on by the European Space Agency on May 11. In February, EADS Astrium was picked for the award, expected ...

In a monastery library on the Sinai Peninsula, a devotional handbook by the monk John Climacus sat quietly for centuries while a far older scientific treasure hid beneath its ink. Medieval scribes had ...