SpaceX has submitted a daring proposal to the US Federal Communications Commission (FCC) to launch a constellation of up to ...

Earth will have a visitor within its orbit for the next several decades, according to astronomers. An asteroid named 2025 PN7 has become a "quasi-moon" to Earth, as it will be sharing an orbit with ...

Stargaze is designed to improve transparency and cooperation in low-Earth orbit, where the number of satellites has surged in ...

How is it possible for the ISS to stay in orbit? Learn more about the science behind orbiting Earth and more in this NASA ...

How did Jupiter’s formation shape the solar system, and specifically Earth’s orbit? This is what a recent study published in Science Advances hopes to address as a team of scientists investigated the ...

The U.S. Space Force, working closely with the Space Development Agency and the Missile Defense Agency, is pursuing a system of advanced sensors in medium-Earth orbit (MEO) as part of a larger missile ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

Low-Earth orbit is more crowded—and fragile—than it looks. Satellites constantly weave past each other, burning fuel and ...