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Image credit:  NASA/Ames
Blogs | This Date in Science | Sep 01, 2014

This date in science: Pioneer 11 swept past Saturn

Pioneer 11 was the first spacecraft ever to encounter Saturn. It paved the way for the even-more-sophisticated Voyager spacecraft.

Image Credit: Wikipedia
FAQs | Sep 01, 2014

What’s the birthstone for September?

September’s birthstone, the sapphire, was said to represent the purity of the soul.

Image credit: Christine Daniloff/MIT
Science Wire | Aug 28, 2014

Snowfall ahead in a warmer world, says study

An MIT study finds big snowstorms will still occur in the Northern Hemisphere despite global warming.

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Science Wire | Aug 27, 2014

Evidence for supernovas near Earth

A NASA sounding rocket has confirmed that the solar system is inside an ancient supernova remnant. Life on Earth survived despite the nearby blasts.

A collision that took place between two galaxies when the universe was only half its current age. This picture combines the views from the Hubble Space Telescope and the Keck-II telescope on Hawaii (using adaptive optics) along with the ALMA images shown in red. Image credit: ESO, ALMA (NRAO/ESO/NAOJ); W.M. Keck Observatory; NASA/ESA
Science Wire | Aug 26, 2014

Best view yet of colliding galaxies in distant universe

Using telescopes on the ground and in space, astronomers have obtained the best-yet view of a galaxy collision that happened when the universe was half its current age.

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Tonight | Aug 26, 2014

Orion the Hunter and Sirius the Dog Star

You’ll always know it’s the sky’s brightest star, Sirius, if the very noticeable constellation Orion the Hunter is nearby.

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.

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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.

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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.