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 ...

An animation posted to Twitter has shocked social media users by showing the impressive size of Jupiter and just how rapidly the solar system's largest planet rotates. The animation posted by ...

We have detected only one transiting planet that has a mass below 10 Earth masses. This world, CoRoT-7b (named after the European Convection, Rotation and planetary Transits satellite) has a radius ...

Uranus is the only planet in our solar system that rotates sideways. It has an axial tilt of about 98 degrees, which means it appears to roll around the Sun instead of spinning upright like Earth or ...

Is the world on the cusp of a fleeting instant with the edge of time? July 9, July 22, and August 5, 2025, mark the dates when Earth’s rotation will accelerate just sufficiently to remove 1.3 to 1.51 ...