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 ...

Long ago, as it sank from a higher orbit, Triton passed close to Nereid. The smaller moon, buffeted by Triton’s more powerful gravity, may have been hurled into the elliptical orbit it now follows.

"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 ...

When Triton first entered orbit, it likely caused chaos among the other moons such that they collided with each other and reconfigured themselves. As further evidence of its oddity, Triton ...

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 ...

Earlier this year, astronauts Butch Wilmore and Suni Williams were sent into orbit on a Boeing Starliner. What initially looked like a feel-good storyline for the company has turned into something ...

Janus Henderson Enterprise reopened in December 2020, while Janus Henderson Triton and Janus Henderson Venture both reopened in July 2022. Capacity should be closely monitored, but the team has ...

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.

TAMPA, Fla. — The Intelsat 33e satellite has broken up in geostationary orbit (GEO) and lost power, ceasing communications services for customers across Europe, Africa and parts of Asia Pacific.

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 ...