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ViaSat’s ViaSat-3 F2 satellite fully deployed its reflector with Earth in the background. (Image credit: ViaSat)Earth watched on as a…

In March 2005, Christopher Eccleston’s Ninth Doctor told Billie Piper’s Rose Tyler to “Run!” and the UK was instantly hooked.…

As the leaders of the world’s two largest economies meet in Beijing this week, a new analysis underscores a growing…

There are plenty of reasons to get excited about Tuesday’s (May 19) planned test flight of SpaceX’s Starship megarocket.For starters,…

America’s 38-day bombing campaign against Iran has diminished the Islamic Republic’s ability to threaten global security, but has not yet…

Is it an eclipse? An oddly angled crescent moon, perhaps? Nope. This stunning silver arc is actually Mars. The breathtaking…

One of the core tenets of science fiction has always been the unknown, both the promise of mankind exploring vast…

NASA’s Perseverance rover pauses along the western rim of Mars’ ancient Jezero Crater in a striking new image, taking in…

A fast stream of solar wind flowing from a colossal coronal hole in the sun’s atmosphere could spark geomagnetic storms…

KYIV, Ukraine — The U.S. State Department and Ukraine’s ambassador in Washington have outlined a memorandum that would route Ukrainian…