The startup Satlyt tested a program in orbit designed to help turn satellites into data centers. The test was successful, but ...

Venus's “horned” crescent, the Ghost Nebula, Ganymede obscuring Io, silvery clouds, and the Moon’s colors: NASA's best ...

The interstellar comet 3I/ATLAS contains a chemical clue about the conditions in the planetary system from which it ...

A new study suggests that the Era of Reionization—or the end of the Cosmic Dark Ages—was not caused by supernova explosions, ...

Scientists have developed a kerosene-based gel that could be used as fuel in spaceflight. In its normal state, it is a ...

The Teghaza 001 meteorite, found in the Sahara, turned out to be one of the oldest samples from Mars ever to reach Earth.

A signal transmission failure on Voyager 1 occurred in mid-October during two scheduled communication sessions following a ...

The area of ice in Mars' polar craters varies from year to year. Planetary scientists have been monitoring it for nearly ...

November 2026 presents a rare opportunity to observe all seven planets in a single night. Will you be able to spot them all?

Kerbal Space Program, Outer Wilds, Elite Dangerous, and other space games that accurately model orbital mechanics and ...

The California Peninsula is rapidly—by geological standards—separating from the North American continent, forming a long bay.

Launches from the 2020s to the 2040s, the Search for Life on Exoplanets, and the Study of Black Holes and the Early Universe ...