Signs of a planet transiting a star outside of the Milky Way galaxy may have been detected for the first time. This intriguing result,...

In December 2020 the ESA/Hubble team published a stunning view from the NASA/ESA Hubble Space Telescope of one of the most complete...

For the first time, astronomers have uncovered evidence of water vapor in the atmosphere of Jupiter's moon Ganymede. This water vapor...