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 ...

Catch a delicate crescent moon from Sept. 23–27 and watch it pair with Spica, Mars and Antares in the west after sunset.

Quantum cryogenics manufacturer Bluefors is betting big on Interlune, a startup that aims to extract Helium-3 from the lunar ...

Some observers may have noticed a faint glow illuminating the darker portion of the moon—a phenomenon known as Earthshine or ...

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 ...

See the epic view of the moon and Earth captured by the Orion spacecraft ahead of its outbound powered flyby. Credit: NASA / time-lapsed by Space.com's Steve Spaleta Music: Kepler's Hope by Year of th ...

Our planet has apparently had a small companion that went undetected for decades. What took so long to find it and why was it hidden?

Bluefors leads the market with the most extensive installed base worldwide, having delivered over 1,500 dilution refrigerators and more than 15,000 cryocoolers to date. This collaboration will ...

Interlune is developing robots to harvest a valuable gas on the lunar surface that could have a big impact on Earth.

Humanity's first look at Earth from the moon didn't come until Aug. 23, 1966, when this grainy, black-and-white image showed our planet as a crescent above the lunar horizon, appearing to rise as the ...

NASA's Psyche captured images of Earth and our Moon from about 180 million miles (290 kilometers) away in July 2025. NASA/JPL-Caltech/ASU The Psyche spacecraft is on a six-year journey to reach a ...

For centuries, Earth's moon has captivated our imaginations. From ancient myths to modern science, it's been a symbol of mystery, romance, and exploration. Whether you've gazed at it through a ...