The growing congestion of Earth orbit has raised risks to satellites, space stations, and long-term space sustainability. The ...

NASA is preparing for the Artemis II mission, aiming to launch humans beyond low-Earth orbit in early 2026, after over five ...

An international study led by researchers at São Paulo State University (UNESP) in Brazil has identified a little-known but potentially significant threat: Asteroids that share Venus's orbit and may ...

New research shows hidden Venus asteroids could unleash city-sized impacts. Learn why they’re so hard to spot and how telescopes might find them.

Though rarely featured in public demonstrations of military capability, satellites are indispensable to the defense of America and its allies. They offer near-immediate warning of missile launches, ...

A recent discovery by astronomers has sparked intrigue and curiosity in the scientific community. An object, exhibiting unusual characteristics and a rare orbit, has been found parked near Earth’s ...

Artemis III is planned for 2027. If it stays on schedule, that's the mission that will put humans back on the moon for the first time in 55 years. The crew plans to touch down in one of 13 planned ...

Chinese spacecraft image Maxar remote sensing and U.S. early warning satellites Chinese spacecraft have imaged orbiting U.S.

When the SpIRIT CubeSat rode into orbit on a SpaceX Falcon 9 in December 2023, it carried a very massive passenger along.

The Artemis II mission represents a major step forward for NASA and seeks to send four astronauts—Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen—around the Moon and back. The 10-day ...

As of Tuesday, Sept. 23, the moon phase is Waxing Crescent, and according to NASA's Daily Moon Observation, there's just 3% ...