Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Hello, Small Magellanic Cloud
The Small Magellanic Cloud is a dwarf galaxy orbiting our Milky Way and a beautiful night-sky gem for those in Earth's Southern Hemisphere. Here it is in the light of atomic hydrogen. Whoa!
November 30, 2017
Probing the Hubble Ultra Deep Field
Astronomers used an instrument called MUSE to conduct the deepest-ever spectroscopic survey. The result was a bonanza of new knowledge.
November 29, 2017
A farewell to Saturn
Two days before it plunged into Saturn's atmosphere last September 15, the Cassini spacecraft returned this final, full mosaic image of the planet.
November 22, 2017
Flowing sand, not water, on Mars
The dark streaks on Mars known as recurring slope lineae are likely the result of repeated avalanches of sand and dust, rather than seeping water, new research shows.
November 21, 2017
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
