A town in the Austrian Alps might not seem like the most conducive place to come up with daring space missions. But, for the ...

A new study suggests Earth’s Moon may have been “captured” from a binary system, challenging the long-held impact theory and ...

When it came to discovering Neptune, scientists didn’t need to see to believe. The eighth planet in our solar system was ...

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 ...

"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 ...

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 ...

For nearly 40 years, scientists have generally agreed that Earth's Moon formed from debris after a massive collision with our ...

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 ...

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.