Two satellites’ highly precise alignment allows scientists to study the sun’s outer atmosphere like never before ...

The Proba-3 mission, consisting of two spacecraft that fly in close formation to study the sun, has returned images of the first ever artificial solar eclipse ...

Scientists have built detailed Milky Way simulations under strange new physical laws to probe dark matter, revealing how ...

Using NASA's Chandra X-ray space telescope, astronomers have discovered that a galaxy cluster is wrapped in an envelope of ...