NASA has announced that an airplane-sized “city killer” asteroid will skim past Earth today — one of four “hazardous” space rocks to graze our orbit in less than 12 hours. Dubbed 2002 ...

An unknown small object, traveling thousands of miles per hour, punctured a satellite in Earth's orbit. The satellite company NanoAvionics released images online showing the damage to its MP42 ...

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A Boeing-built satellite has collapsed in orbit. The satellite, which is officially known as Intelsat 33e, is just one of many that Intelsat uses to power communications around the world.

In a cutting-edge milestone for orbital innovation, the U.S. military's secretive X-37B space plane has begun advanced aerobraking maneuvers to shift its orbit. Launched on its seventh mission ...

"Gliese 229B was considered the poster-child brown dwarf, and now we know we were wrong all along about the nature of the object. It's not one but two." A well-studied cosmic object has stunned ...

It sounds like something out of a science-fiction movie. For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus. The celestial object is more than just a ...

The Boeing-made Intelsat 33e satellite broke apart in orbit over the weekend. But company representatives don't yet know why. Boeing's Intelsat 33e satellite — a large communications satellite ...

Related: Ariane 5 successfully places 2 Intelsat satellites Into orbit Intelsat-33e launched Aug. 24, 2016 aboard an Arianespace Ariane 5 rocket and began operations in January 2017, according to ...

Seated, left to right, are D-Orbit CEO Luca Rossettini and ESA Director General Josef Aschbacher signing an agreement for Europe's first life extension mission for a satellite in geostationary orbit.

An Intelsat satellite designed by Boeing has been destroyed in its orbit around the Earth, affecting satellite service worldwide. Named Intelsat 33e or IS-33e, the satellite lost power on October ...