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Mars, Saturn, Antares and the moon
September 8 planets and moon, plus the star Antares. In time-exposure photos like this one, the streaks result from Earth's spin.
September 8, 2016
A comeback for humpback whales
The international moratorium on whale-hunting is still in place, but - good news - some whales are coming off the U.S. endangered species list.
September 8, 2016
See asteroid mission launch September 8
NASA's first sample return mission to an asteroid launches Thursday at 7:05 p.m. EDT (2305 UTC). Links here to follow the mission online.
September 8, 2016
A rare relic of the early Milky Way
Terzan 5 looks like an ordinary globular cluster, but has stars of hugely different ages. Some of its stars are similar to the Milky Way's most ancient stars.
September 7, 2016
Small asteroid to pass very close today
Asteroid 2016 RB1 will pass safely - at about the distance of our geosynchronous satellites - on September 7, 2016.
September 7, 2016
Brown dwarfs hiding in plain sight
Brown dwarfs are like stars, but too small to ignite fusion in their cores and so shine as stars do. If you saw one, it wouldn't be brown. It'd be magenta.
September 7, 2016
Moon, Saturn and Mars on September 7
Watch for them tonight, and also for Antares, a bright star. Then note the moon’s change of position relative to these objects over the next several days.
September 7, 2016
Listen to Jupiter’s auroras
Plus more cool stuff from the Juno spacecraft's August 27 closest-yet flyby of Jupiter.
September 6, 2016
Update on Dawn mission to Ceres
The Dawn spacecraft is still orbiting Ceres. It went into an extended mission mode on July 1. Some mission highlights and current thinking, here.
September 6, 2016
