Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Visualization of the Sun-Earth Lagrange points. Orbital mechanics is a fun subject, as it involves a lot of seemingly empty space that’s nevertheless full of very real forces, all of which must be ...

About 250 years ago, mathematicians wrote the first equations describing where the James Webb Space Telescope, launched on Christmas Day 2021, now resides. Webb will stay put for around 20 years at ...

Satellites and instruments placed at Lagrange points remain in a stable position because the gravitational forces from the Earth and sun balance each other, requiring only minimal energy for ...

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Correction: An earlier version of this story erroneously stated that China’s Queqiao satellite was orbiting the Earth-Sun L2 Lagrange point. In fact, Queqiao orbits the Earth-Moon L2 Lagrange point, a ...

Reliably guiding and capturing optical waves is central to the functioning of various contemporary technologies, including communication and information processing systems. The most conventional ...

From the first satellite in orbit, to the first human in space, to the first steps on the moon, the United States government has always framed space exploration as a race. As U.S.-China space ...