Gaia-4b, a giant exoplanet orbiting a small star, is the first planet confirmed using Gaia’s astrometric technique.

But to travel from low-Earth orbit (LEO) to farther orbits—or even the Moon—requires a different kind of ion thruster capable ...

The science and mathematics behind what keeps the ISS in orbit goes all the way back to ... The size and shape of this curve depends upon the velocity of the cannonball and the amount of air ...

Using in part the NEID spectrograph mounted on the WIYN 3.5-meter Telescope at the U.S. National Science Foundation Kitt Peak National Observatory, a Program of NSF NOIRLab, a team of astronomers have ...

A recently launched satellite is stuck in space after failing to fire its thrusters, preventing it from reaching its operational orbit.