The goal of the Artemis program is to eventually send Americans to the moon for the first time in more than 50 years, with ...

The James Webb Space Telescope is not circling our planet the way most people imagine a satellite does. Instead, NASA parked ...

As lunar exploration intensifies, the cislunar space is experiencing increasing congestion. Traditional two-body Keplerian elements, which have long ...

Owing to the chaotic and non-integrable nature of three-body dynamics, the conventional Keplerian elements are rendered ...

At the start of the year, Earth will quietly reach a milestone in its orbit around the sun. Known as perihelion, this is the moment when our planet is closer to the sun than at any other point in the ...

"How do you get to Mars when the launch vehicle is not necessarily going to Mars?" ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its thrusters to leave Earth behind, and slipped into an orbit around the Sun, ...

Nick is a freelance writer from Chicago, IL, with a BA in Creative Writing from the University of Illinois at Urbana-Champaign. His lifelong belief in the artistic power of video games led him to ...

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth traveling for. In 2026, there will be journeys to the moon and Mars, new visions ...

SpaceX has lost contact with one of its broadband satellites, which is now falling toward Earth due to an unspecified and seemingly mysterious anomaly. The company revealed that a Starlink satellite ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. The American patrol satellite had the targets in its sights: two recently ...

Earth's orbital overcrowding is approaching a breaking point, according to a new analysis using a warning metric called the Crash Clock. The study authors examined the rapidly increasing density of ...