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 ...

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

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

The Trojan asteroid 2020 XL5, which follows the same path around the sun as our planet, was revealed only after a decade of searching. By Kenneth Chang Astronomers have discovered a captive asteroid ...

The James Webb Space Telescope has been traveling through space since its launch on December 25, 2021, and will soon face the next crucial step in its mission, performing an orbital burn to insert ...

India’s Aditya-L1 probe will arrive in a few days at a patch of space between Earth and the sun, almost a million miles away. The location is remote yet isn’t very lonely. Four active spacecraft are ...

Physicists have discovered a tiny asteroid, about one kilometer wide, that is locked into the same orbit as Earth—only the second such cosmic body of its type that has been identified to date. And now ...

Astronomers have discovered a captive asteroid shadowing Earth in its orbit. The asteroid, known as 2020 XL5, is only the second of its type ever seen, shepherded by Earth's gravity into an orbit that ...