This was the second of 14 moons discovered at Neptune. It was also the last one to be discovered with certainty before NASA's Voyager 2 spacecraft flew by Neptune in 1989. Astronomers suspected ...

Venus will partner up with the giant planets Saturn and Neptune to form a line up in the pre-dawn sky on May 8, with ...

Using the James Webb Space Telescope, a collaboration of NASA and its European and Canadian counterparts, a team of ...

Launching on 24 April 1990, the Hubble Space Telescope has had an out-of-this-world 35 years capturing some of the most ...