Observations of comet 41P/Tuttle–Giacobini–Kresák show its rotation slowing, reversing and then speeding up.

NASA has released new Hubble telescope images of the Crab Nebula taken 25 years after the iconic observatory first gazed at ...

A team of cosmologists in China has introduced a mathematical framework that investigates two of the deepest mysteries in ...

Hubble has captured a phenomenon never before witnessed in the world of astronomy: a comet that slowed and then began spinning in the opposite direction.

New images captured by the Hubble and James Webb space telescopes show Saturn in both visible and infrared light ...

Observations from the James Webb and Hubble space telescopes reveal Saturn's atmosphere and rings in the most detailed view ...

The Hubble Space Telescope was designed to free astronomers of a limitation that has plagued them since the days of Galileo—Earth's atmosphere. Shifting air pockets in the atmosphere block and distort ...

Nearly a millennium ago, astronomers witnessed a brilliant new star blazing in the sky—a supernova so bright it was visible ...

The Hubble Space Telescope celebrates 36 years of incredible discoveries, stunning imagery, and a lasting impact on astronomy ...

The ESA, NASA and CSA have released new images of Saturn captured by the James Webb and Hubble space telescopes that offer an ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...