Advanced space travel relies on a fundamental understanding of the restricted three-body problem (RTBP), in which one of the ...

The cadre — the 24th astronaut class in NASA's history, and the first new one since 2021 — was announced today (Sept. 22) ...

Researchers are discussing 2025 PN7, a small celestial body that's following a similar orbital path to our planet's without being gravitationally tied to Earth ...

Before they head to the moon in 2026, the four Artemis 2 astronauts have to practice observing Earth's nearest neighbor.

The U.S. and China are in a sprint toward manned missions to the lunar surface by the end of this decade, with sights on 2029 ...

The company’s Starship rocket, which has suffered a series of recent test explosions, is still years away from being ready ...

The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

New study provides clearer insight into how the Moon formed and why its materials closely resemble those of Earth.

Scientists are unraveling the mysteries of "steam worlds"—exoplanets known as sub-Neptunes that are rich in water but orbit so close to their stars that their surfaces are shrouded in thick ...

"Although this doesn't rule out the possibility that Enceladus' ocean may be habitable, it does mean we need to be cautious ...

China’s progress toward reusable rockets, orbital logistics, and lunar industrialization will secure the strategic high ground for Beijing.

The region where the gravitational influence of Earth is the dominant force, is called the Hill Sphere. This extends up to 1.5 million kilometers (almost a million miles) away. If a small asteroid ...