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 ...

Astronomers have captured the first-ever spin measurements of HR 8799, the famed system that made history as the very first exoplanetary system to have its image taken. Discovered in 2008 by two ...

Data from the European Space Agency's Gaia mission has enabled the creation of a detailed catalog of asteroid rotations ...

Humanity has spent thousands of years understanding billion of years of universal history. Here’s a dizzying look at why the cosmos spin the way they do. *For the why behind this “rotation ...

Scientists have discovered a rare six-planet system, HD 110067, where all planets orbit their star in perfect mathematical ...

CAPE CANAVERAL, Fla. (AP) - A day at Uranus just got a little longer. Scientists reported Monday that observations by the Hubble Space Telescope have confirmed it takes Uranus 17 hours, 14 minutes and ...

Scientists found two Earth-sized planets and a third candidate orbiting a nearby double star system, TOI-2267.

Earth's day used to be five hours shorter, and it's predicted to continue lengthening over time. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...