NIST scientists calculated that clocks on Mars would be an average of 477 millionths of a second faster than clocks telling ...

New images of interstellar object 3I/ATLAS debunk 'cloaking' myths. Astronomers reveal a thinning coma as the visitor heads ...

Explains how Earths day length could extend to 25 hours over hundreds of millions of years due to lunar tides, and how this ...

Reflect Orbital plans to launch thousands of reflective mirrors to produce "sunlight on demand", but researchers are ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...

The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

Even most rocket scientists would rather avoid hard math when they don't have to do it. So when it comes to figuring out ...

Our 24-hour day measures Earth’s rotation relative to the Sun, known as a solar day. This is slightly longer than Earth’s ...

The images were taken with 170-second exposures using the WFC3 UVIS (F350LP) camera at a central wavelength of 0.5851 micron, ...

Interstellar object 3I/ATLAS, the third such visitor ever observed, is exhibiting unusual energy and chemical behavior as it ...

If you have ever heard that Earth will soon start having 25-hour days, it might be right. The idea itself is not wrong.

According to the patent, habitable modules would rotate around a central axis to simulate gravity for crew by producing an outward-pushing centrifugal force.