After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

Imagine you are floating in the vastness of space, looking down at Earth. Suddenly, a dark shadow begins to creep across the ...

Washington is bolstering its military presence at Diego Garcia amid rising tensions with Iran and ongoing strikes on Yemen's ...

Defence stocks around the world have rallied on heightened tensions. How can investors ride this upswing and do so ...

Plus: A solar eclipse and an occultation of the Pleiades as our satellite skims through several constellations in the sky ...

The Trump administration has directed two intelligence agencies to train their satellite surveillance capabilities on the U.S ...