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It’s the 1st known interstellar asteroid
It swept nearest the sun in September, then sped away again, back to interstellar space. Astronomers named it `Oumuamua. It's dark red, very elongated and unlike anything in our solar system.
November 20, 2017
Jupiter’s independently pulsating auroras
The auroras over Earth's north and south poles typically mirror each other. But X-ray observations show that Jupiter's auroras pulsate on different timescales.
November 18, 2017
Citizen inventors: NASA’s 3D Printed Habitat Challenge
Future space missions won't be able to carry all their building materials from Earth. Competitors are challenged to fabricate habitats using indigenous materials. $2 million prize!
November 14, 2017
Moving shadows around a planet-forming star
This star has a spiral disk of dust around it. Processes in the inner disk - winds, or swirls or clashes of pebbles - seem to be casting shadows on the outer disk.
November 13, 2017
Study probes Saturn’s moon Enceladus. Plus, a new mission?
A new study shed light on what powers Enceladus' extraordinary geologic activity, while - at a conference in Seattle last week - space visionaries discussed a return to Saturn's geyser moon.
November 11, 2017
Wow! Juno’s 8th science flyby of Jupiter
A new and awesome batch of images has emerged from the Juno mission's most recent flyby of Jupiter. Plus, the mission gets a new project manager.
November 10, 2017
The zombie star that wouldn’t die
Supernovae like this one - designated iPTF14hls - usually remain bright for about 100 days. This one stayed bright for 600 days. Then, astronomers found a 1954 explosion in the same spot in the sky.
November 8, 2017
Nickname New Horizons’ next target
The craft that flew by Pluto in 2015 is heading for the Kuiper Belt object 2014 MU69. NASA and the New Horizons spacecraft team want you to help nickname it.
November 7, 2017
Next Mars rover will have 23 eyes
Cameras have come a long way since the first Mars rover in 1997. The newest Mars rover from NASA - on the Mars 2020 mission - will have a wider field of view, plus more color and 3-D imaging.
November 5, 2017
Astronomers complete 1st global asteroid tracking drill
This is only a test. Astronomers report on the TC4 Observation Campaign, which, in October, used a real Near-Earth Asteroid to practice our global response to a potential asteroid threat.
November 4, 2017
