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Space

Aurora borealis by FairbanksMike
Science Wire | Sep 12, 2014

Significant auroras predicted for tonight

Reports from NOAA and elsewhere predict a chance of significant auroras, possibly observable as far south as the northern U.S. and maybe even farther south.

Screen Shot 2014-09-11 at 9.37.05 AM
Science Wire | Sep 11, 2014

Video: Jellyfish flame on the ISS

Fire in space doesn’t act like fire here on Earth. Untethered by gravity, flames in space curl themselves into tiny balls.

Rosetta_mission_selfie_at_comet-cp
Science Wire | Sep 11, 2014

Rosetta spacecraft selfie with comet

An otherworldly take take on an earthly trend, as Rosetta poses with its comet, 67P/Churyumov–Gerasimenko.

This is an artist's concept of a quasar: a supermasive black hole at the center of a faraway galaxy.  Image via European Southern Observatory
Science Wire | Sep 11, 2014

Astronomers solve 20-year-old quasar mystery

New works suggests most observed quasar phenomena depend on two things: how efficiently a central black hole is being fed and the astronomer’s viewing orientation.

Dark matter models, via Durham University
Science Wire | Sep 09, 2014

Why our Milky Way galaxy has fewer satellites than expected

European cosmologists and particle physicists come together to tweak an accepted model of how cold dark matter helps build galaxies in our universe.

Several morphologically different regions are indicated in this preliminary map, which is oriented with the comet’s ‘body’ in the foreground and the ‘head’ in the background.  Image via ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA
Science Wire | Sep 09, 2014

A preliminary map of different regions on Rosetta’s comet

The comet turns out to be a unique, multifaceted world. We now know comets can have cliffs, depressions, craters, boulders or even parallel grooves.

Saturn and rings via Cassini
Science Wire | Sep 09, 2014

Moonlets are born and quickly die in Saturn’s F ring

Tiny moons, no bigger than large mountains, may coalesce and collide with the densest part of the ring, creating luminous knots. But the moons don’t last long.

Expect high tides to follow a supermoon
FAQs | Sep 08, 2014

What is a supermoon?

The definition for “supermoon” is so generous that there are typically 4-6 of them each year.

Artist's concept via NASA
Science Wire | Sep 07, 2014

Small asteroid to sweep safely past Earth Sunday

Asteroid passes near Earth on September 7. At its closest (18:18 UTC / 2:18 p.m. EDT), it’s about the same distance from Earth as weather and communications satellites.

Moon Sept. 18, 2013 by Amy Simpson-Wynne
Tonight | Sep 06, 2014

Everything you need to know: The super Harvest Moon of 2014

That bright moon now in the evening sky is waxing toward a Harvest Moon on the night of September 8-9. A super Harvest Moon!