How high must a satellite orbit to stay perfectly synchronized with Earth’s rotation? 🌍 This video determines the exact orbital altitude required for a geosynchronous orbit, clearly explaining the ...

The US Naval Research Laboratory is deploying advanced robots to repair and refuel aging satellites 35,406 kilometres above ...

A California startup wants to bounce sunlight from orbit onto Earth after dark, and the idea is stirring up serious debate.

Climate can change fast, even when the planet looks stable. Earth has flipped into new patterns within decades in the past.

Satellite networks are a form of critical infrastructure whose failure can cascade across multiple sectors. Modern societies ...

Owing to the chaotic and non-integrable nature of three-body dynamics, the conventional Keplerian elements are rendered ...

CAPE CANAVERAL—NASA plans to roll out the next Space Launch System (SLS) rocket and Orion capsule on Jan. 17 or soon after ...

Hot Jupiters were once cosmic oddities, but unraveling how they moved so close to their stars has remained a stubborn mystery. Scientists have long debated whether these giants were violently flung ...

The newly combined mutual holding company will operate under the name MountainOne Financial, MHC, and will have about $1.9 billion in assets. MountainOne Bank and Mechanics Cooperative Bank will ...

A SpaceX Falcon 9 rocket launch from California may be visible to people in Arizona. The launch is scheduled for Sunday, Nov. 23, with a four-hour window opening at midnight PT. The rocket's southeast ...