Scars on Mars from 2012 rover landing fade—usually

This sequence of images shows a blast zone where the sky crane from NASA's Curiosity rover mission hit the ground after setting the rover down in August 2012, and how that dark scar's appearance changed over the subsequent 30 months. Credit: NASA/JPL-Caltech/Univ. of Arizona Enlarge A series of observations from Mars orbit show how dark […]

Must Cockpits Remain Deadlocked Between Safety and Security?

Two up front for safety? Credit: Jason Calston/Airbus Enlarge This article was originally published on The Conversation. The publication contributed this article to Live Science's Expert Voices: Op-Ed & Insights. It seems incredible that a pilot of a passenger airline could be locked out of the cockpit. But analysis from the cockpit voice recorder recovered from Germanwings flight […]

Scientists launch expedition to map U.S. Virgin Island reefs

In this Dec. 2005 file photo provided by the National Park Service shows biologist Jeff Miller examining the coral reef in St. Croix, Virgin Islands. U.S. scientists are launching an expedition to study the underwater habitat around the U.S. Virgin Islands. (AP /U.S. Geological Survey, Caroline Rogers, File) Enlarge CHARLOTTE AMALIE — U.S. scientists are […]

Venom As Medicine Won’t Solve The Lionfish Invasion

An invasive lionfish in the Bahamas. Photo by Mark Albins. Enlarge The lionfish eating their way through the Atlantic and Caribbean are among the worst marine invasive species to date. Anything we can do to limit their populations is a step in the right direction, thus it’s not surprising that some are getting creative when it […]

What is the point of the Large Hadron Collider?

No small undertaking: the experiments occupy huge subterranean caverns Every time fundamental research hits the headlines you can be sure that someone – maybe lots of people – will question whether it's worth it. And so it is with the restart of this mother of all physics experiments, ready after its two-year upgrade to explore […]

Lights out in Australia as Earth Hour kicks off

Fireworks go off at the Sydney Harbour Bridge and Opera House to signal the start of Earth Hour The Sydney Harbour Bridge and the sails on the nearby Opera House went dark Saturday, as lights on landmarks around Australia were switched off for the global climate change awareness campaign Earth Hour. Millions are expected to […]

The week in Reviewed: Huskies walking on water

This husky isn't really walking on water, but still looks amazing. (Photo: Fox Grom) This week at, we continued to find out how the latest releases in consumer electronics and home appliances perform under our rigorous tests. Some of the products that proved their worth this week included the new Macbook Air and Macbook Pro from Apple, Sony's mini-sized Z3 […]

Germanwings Crash: Mental Illness Not Necessarily to Blame

Credit: Nicolas Economou | ENlarge Investigators may never know exactly why Germanwings co-pilot Andreas Lubitz carried out what is believed to have been a deliberate plane crash in the French Alps on Tuesday, but mental health experts say that any mental illness that Lubitz may have had is just one possible contributor to the […]

Europe hoists first navigation satellites post mislaunch

A Soyuz rocket is moved from its assembly building to its launch pad at the Guiana Space Centre in Kourou, French Guiana, on March 24, 2015, where the rocket will be launched to carry two satellites to Europe's Galileo navigation system Europe launched two navigation satellites Friday for its rival to America's GPS system, the […]

Giant Alien Planet Has 4 Suns in Its Sky

An artist’s concept of the four-star system shows a gas giant orbiting its primary star (yellow), while the newfound red dwarf star (upper left) circles nearby. In the distance lie another pair of stars (upper right).Credit: Karen Teramura, UH IfA Enlarge Planets with four suns in their sky may be more common than previously thought, […]

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