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Photo credit: Markus Grossalber/Flickr
Science Wire | Aug 22, 2014

Your toothpaste’s fluorine was formed in a star

Next time you’re brushing you teeth, think on this: New research suggests that the fluorine in your toothpaste originates from the sun’s dead ancestors.

Neptune's rings via Voyager 2.
Blogs | This Date in Science | Aug 22, 2014

This date in science: Definitive discovery of Neptune’s rings

A few days before the NASA spacecraft Voyager 2 skimmed by Neptune in 1989, it acquired images of a faint, continuous ring system encircling the planet.

Science Wire | Aug 20, 2014

Wow! Spectacular landscape of star formation

New image of star-forming regions in southern Milky Way. Star cluster NGC 3603 is 20,000 light-years away. Glowing gas clouds NGC 3576 is about half as far.

Tonight | Aug 20, 2014

Use Great Square of Pegasus to locate the Andromeda galaxy

You can find the Andromeda galaxy – also known as M31 – in several ways. One is by star-hopping from the Great Square of Pegasus.

This is a reconstruction of the Burgess Shale animal Hallucigenia sparsa. Image credit: Elyssa Rider
Science Wire | Aug 19, 2014

Bizarre-looking fossil has finally been identified

This strange fossil – a worm-like creature with legs, spikes and a head that’s difficult to distinguish from its tail – has been linked with a group of modern velvet worms.

Photo credit: Mike Quinn
Science Wire | Aug 17, 2014

How to see a green flash

It’s said that once you’ve seen a green flash, you’ll never go wrong in matters of the heart. Here’s all you need to know … plus great pics.

Screen Shot 2014-08-13 at 1.07.15 PM
Science Wire | Aug 13, 2014

The Great Pacific Garbage Patch explained

In light of the sheer physical enormity of the Great Pacific Garbage Patch and the complexity of its causes, what can we possibility do about it?

Screen Shot 2014-08-11 at 1.49.48 PM
Science Wire | Aug 11, 2014

Video: Colliding atmospheres of Mars and Comet Siding Spring

Martian auroras? Maybe a meteor shower? What Mars satellites might see when Comet Siding Spring sweeps super close to Mars this October.

Science Wire | Aug 10, 2014

Perseid meteors versus the supermoon

Which is brighter – Perseid fireballs or a supermoon? You’ll find out as the year’s biggest, brightest full moon arrives as Perseid meteor shower starts to peak.

Image from May 15, 2014.  Credit: NASA
Science Wire | Aug 04, 2014

Two views from space: California reservoirs drying up

Look at the difference in these two reservoirs north of Fresno, California, in contrasting satellite images from 2011 and 2014.