Taking advantage of a weather delay for NASA's next space station flight, SpaceX fired off another 23 Starlink internet satellites Thursday in a hazy leap day launch from the Cape Canaveral Space ...

Astronomers using NASA’s Hubble Space Telescope have measured the rotation rate of an extreme exoplanet by observing the varied brightness in its atmosphere. This is the first measurement of the ...

V889 Herculis doesn't rotate like any other star, defying stellar models. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A nearby star that's ...

Images from the Akatsuki spacecraft unveil what keeps Venus’s atmosphere rotating much faster than the planet itself. An international research team led by Takeshi Horinouchi of Hokkaido University ...

Our measures for time (other than the second) are fundamentally derived from the rotation and orbit of the Earth around the sun. But that's only the most relevant time if you're in approximately ...