For thousands of years, humanity viewed the skies as unchanging, except for a few "wandering stars" (that we now know are planets). As we improved our ability to perceive the cosmos with ...

Although the Perseid meteor shower peaked late Tuesday night into early Wednesday morning, stargazers can still catch a ...

The Vulcan, the United Launch Alliance's newer rocket, got off the ground from Florida on its first national security mission ...

Harvard physicist Avi Loeb — who fears it could be on reconnaissance mission — believes that date would be an ideal window ...