Live coverage: New Horizons returns first close-up image

Scientists on NASA’s Juno mission have observed massive amounts of energy swirling over Jupiter’s polar regions that contribute to the giant planet’s powerful aurora – only not in ways the researchers expected.

When Pluto was reclassified as a dwarf planet in 2006, Neptune regained the title of the solar system’s outermost planet. Since this fascinating gas giant reached opposition on 1 September in the constellation Aquarius, now is a great time to seek it out. We show you how to locate Neptune with binoculars and small telescopes.

NASA’s new planet-hunting TESS observatory completed its first post-launch thruster firing Saturday, setting up for a big boost Wednesday that will send the spacecraft toward the moon for a flyby next month, the next maneuvers in a two-month process to reach the mission’s final science orbit in mid-June.