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An artistic conception of the early Earth, showing a surface pummeled by large impacts. Image credit: Credit: Simone Marchi/SwRI.
Science Wire | Jul 31, 2014

Giant asteroids battered early Earth, says research

More than 4 billion years ago, giant asteroid impacts melted, mixed and buried the surface of Earth

Snow on Jaffa Road, one of the longest and oldest major streets in Jerusalem.  Photo via Flickr user Miriam Mezzera.  Click here for more details on this photo.
Science Wire | Jul 31, 2014

More heat waves and cold snaps ahead

Climate extremes are here to stay, say researchers.

Visualisation of Venus Express during the aerobraking maneuver, which lasted from which lasted from June 18 to July 11.   During this time, the spacecraft was orbiting above Venus' thick atmosphere at an altitude of around 130 km (about 80 miles).
Today's Image | Jul 31, 2014

Spacecraft surfs in and out of Venus atmosphere

ESA’s Venus Express spacecraft spent a month surfing in and out of the atmosphere of Venus, coming so close that atmospheric drag caused the craft to slow down.

Science Wire | Jul 30, 2014

Perseid meteors versus the supermoon

Around August 10, the biggest and brightest full moon of 2014 will face off against everyone’s favorite meteor shower — and the outcome could be beautiful.

An image of the Andromeda galaxy, Messier 31.  Image credit: Adam Evans
Science Wire | Jul 30, 2014

Milky Way is about half as massive as Andromeda galaxy, say astronomers

Dark matter makes up 90% of the matter in both systems, the study finds.

You'll find Scutum above the constellation Sagittarius, in the south on N. Hemisphere summer evenings.
Tonight | Jul 30, 2014

Constellation Scutum named for a Polish king

Scutum has just four noticeable stars, and even those require a dark sky. Look for it now before the moon gets too bright, and be sure to scan with your binoculars.

Via SeaPhotos.com
Jul 28, 2014

Lifeform of the week: Hairy pink squat lobster

It’s always a good hair day for a hairy pink squat lobster (Lauriea siagiani). These little guys live on sponges in the western Indo-Pacific.

Artist's illustration of the feathered dinosaur Kulindadromeus zabaikalicus based on fossils discovered in Siberia. Image credit: Andrey Atuchin
Science Wire | Jul 28, 2014

Did all dinosaurs have feathers?

A newly-discovered species suggests that feathers were much more common among dinosaurs than once thought.

In this artist's conception, the atmosphere of an Earth-like planet displays a brownish haze - the result of widespread pollution. New research shows that the upcoming James Webb Space Telescope potentially could detect certain pollutants, specifically CFCs, in the atmospheres of Earth-sized planets orbiting white dwarf stars. Image credit: Christine Pulliam (CfA)
Science Wire | Jul 25, 2014

Can we find aliens by looking for their pollution?

Maybe some extra-terrestrials pollute their planets too.

Via Aquaviews.net
FAQs | Jul 25, 2014

Can sharks smile? Do they even feel happy?

Dogs, monkeys and dolphins all show expressions akin to human smiles. But in sharks and other fish, the parts of the brain related to feelings are less developed.