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After hurtling hundreds of millions of miles through space since last summer, three robotic explorers are ready to hit the brakes at Mars.
How dark is the sky, and what does that tell us about the number of galaxies in the visible universe? Astronomers can estimate the total number of galaxies by counting everything visible in a Hubble deep field and then multiplying ...
The optical and infrared instruments of Euclid, ESA's mission to study dark energy and dark matter, have passed the qualification and acceptance review and are now fully integrated into the spacecraft's payload module. This ...
Twenty-five years ago, NASA sent history's first probe into the atmosphere of the solar system's largest planet. But the information returned by the Galileo probe during its descent into Jupiter caused head-scratching: The ...
Chinese ground crews are standing by for the landing of the first new samples of rocks and soil from the moon in more than 40 years.
A Chinese spacecraft lifted off from the moon Thursday night with a load of lunar rocks, the first stage of its return to Earth, the government space agency reported.
A Chinese spacecraft took samples of the moon's surface Wednesday as part of a mission to bring lunar rocks back to Earth for the first time since the 1970s, the government said, adding to a string of successes for Beijing's ...
Liquids aren't as well behaved in space as they are on Earth. Inside a spacecraft, microgravity allows liquids to freely slosh and float about.
Using NASA's Transiting Exoplanet Survey Satellite (TESS), astronomers have detected two new warm alien worlds orbiting inactive M dwarfs. The newfound exoplanets, designated TOI 122b and TOI 237b, are about 2.7 and 1.4 times ...
An international team of astronomers reports the discovery of a new eclipsing binary system using NASA's Kepler spacecraft during its prolonged mission known as K2. The system, designated EPIC 216747137, appears to be a post-common-envelope ...
