Learn how a small Jupiter-family comet reversed its direction of rotation, a change influenced by the sun's heat.

NASA’s Juno spacecraft passed north-to-south (yellow track) over Jupiter’s atmosphere on August 17, 2022, detecting a cluster ...

Astronomers using NASA's Hubble Space Telescope have found evidence that the spinning of a small comet slowed and then ...

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

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.

Our solar system is full of phenomena that push humans to keep exploring the universe. Jupiter has humongous storms, some of ...

CNN — The Hubble Space Telescope has spied evidence of water vapor in the atmosphere around Jupiter's moon Ganymede, the largest moon in our solar system. The water vapor forms as the icy surface of ...

WASHINGTON -- Scientists said they have found evidence of water in the atmosphere of Jupiter's icy moon "Europa." NASA said its Hubble space telescope observed the presence of persistent water vapor ...