This article proposes a two-stage optimization framework to simultaneously solve the orbit design and mission scheduling problems of on-orbit refueling (OOR) systems in Sun-synchronous orbit (SSO).

Here’s what to expect from Project Kuiper’s first full-scale satellite launch United Launch Alliance will send 27 Kuiper satellites into low Earth orbit as we begin a full-scale deployment of our ...

Whizz down The Slide at the ArcelorMittal Orbit, the world’s tallest (76 metres) and longest (178 metres) slide. Designed by artists Anish Kapoor and Carsten Höller and architect Cecil Balmond to mark ...

Space conditions accelerate gum disease, revealing risks for astronaut oral health and the need for dental care in future missions.

SpaceX successfully launched a Falcon 9 rocket Monday night, carrying 26 Starlink satellites to low-Earth orbit from Vandenberg Space Force Base in California.

A SpaceX Falcon 9 rocket placed 26 Starlink internet broadband satellites into low Earth orbit, lifting off from Vandenberg Space Force Base in California on June 16, 2025.

Webb has captured a frigid exoplanet in a wildly tilted orbit, revealing a system shaped by past planetary violence and intriguing atmospheric behavior.