Catherine Griffin : Science World Report

Jun 20, 2014 11:52 AM EDT

NASA Swift Satellite Spots Mars-Bound Siding Spring Comet Shedding Water

Scientists have gotten a bit of a closer look at the comet Siding Spring, thanks to NASA's Swift satellite. In late May, the satellite managed to image the comet, which is headed for an astonishingly close brush with Mars later this year.

Jun 20, 2014 11:11 AM EDT

The Achilles' Heel in Antibiotic-Resistant Bacteria: A Defensive Barrier Against Drugs

Scientists may have found an Achilles' heel when it comes to the defensive barrier that surrounds drug-resistant bacteria.

Jun 20, 2014 10:39 AM EDT

New Breathalyzer Test May 'Sniff Out' Lung Cancer in Patients

There may be a new way to detect cancer, and it's through a relatively simple and non-invasive test: the breathalyzer test

Jun 20, 2014 09:53 AM EDT

How the Brain 'Reboots' Itself After Being Impacted by Anesthesia

Scientists have found out how our brains reboot themselves after being impacted by anesthesia, revealing how brains navigate from unconsciousness back to consciousness.

Jun 20, 2014 09:18 AM EDT

NASA Spots Supermassive Black Hole Ejecting Stream of Super Fast Gas

Scientists have made a surprising discovery when it comes to a supermassive black hole at the heart of the galaxy, NGC 5548. They've found that this black hole is emitting a stream of rapidly flowing gas that blocks about 90 percent of its emitted X-rays, an extremely unusual behavior.

Jun 20, 2014 08:36 AM EDT

Scientists Discover How Cattle and Pigs Evolved Even Toes

When cattle, pigs and other even-toed ungulates evolved, the number of their toes was reduced and transformed into paired hooves. Now, scientists have discovered how this came to be.

Jun 20, 2014 08:05 AM EDT

NASA Asteroid Capture Mission Discovers Surprising Structure in Their Target

Scientists involved with the NASA Asteroid Initiative have announced that small asteroids can actually be flying rock clusters or even clouds of dust surrounding solid rocks.

Jun 20, 2014 07:24 AM EDT

Skulls Uncovered from 'Pit of Bones' Shed Light on Neanderthal and Human Evolution

Researchers have uncovered a collection of ancient skulls in a cave that have both Neanderthal-derived features and features associated with more primitive humans. The findings shed a bit more light on the history of Neanderthal evolution.

Jun 19, 2014 11:42 AM EDT

Sunscreen Use in Childhood May Prevent Melanoma in Adulthood: How to Avoid Skin Cancer

new study reveals that using sunscreen during childhood prevents melanoma in adults.

Jun 19, 2014 10:47 AM EDT

Re-Routing Flights Could Reduce Climate Impact: Contrails Contribute to Global Warming

Scientists have found that if aircraft choose flight paths that reduce the formation of their distinctive condensation trails, they can also reduce their impact on global warming.

Jun 19, 2014 10:06 AM EDT

Early School Start Times May Negatively Impact Students' Ability to Learn

Scientists have found that middle- and upper-class elementary school students display poorer academic performance when they were required to start classes early compared to peers whose school day started later.

Jun 19, 2014 09:21 AM EDT

Can a Full Moon Cause You to Sleep Less? New Study Answers the Question

Many people believe that the moon can impact human behavior--especially when it comes to sleep patterns. Now, scientists have taken a closer look at this phenomenon and have found that the lunar phases may have nothing to do with human sleep patterns.