Breakthrough in invisibility cloaks, stealth technology

Scientists can create artificial nanostructures that can 'bend light.' But the challenge has been making enough of the material to turn invisibility cloaks into a practical reality.

Tropical Cyclone Hellen crushing parts of Madagascar

Meteorologists said Hellen was likely to be "one of the most powerful tropical cyclones ever seen over the northern channel [of the southwestern India Ocean] since the satellite era (1967)."

Miss the moon and Venus this morning? Photos here

Photos from friends around the world of the March 27 and March 28 pairing of the moon with Venus. Thank you, everyone, for posting!

Video: Smart crow!

A BBC production shows a crow solving an 8-step puzzle to get food.

Researchers can now reconstruct your memory of someone’s face

“It is a form of mind reading,” said Marvin Chun, professor of psychology, cognitive science and neurobiology and an author of the paper in the journal Neuroimage.

Top 4 facts about landslides

Last weekend's fatal mudslide in Washington state obliterated the village of Oso, Washington and left a trail of devastation in its wake. On Tuesday, the death toll stood at 14.

Video: Grizzly eats my GoPro

Brad Josephs, who captures video of grizzlies and wolves in Alaska, commented, "Note to self: when filming grizzly bears, never hide your camera in a fish."

Flight 370 will make us rethink airline safety, says expert

An expert in atmospheric dynamics and aviation meteorology comments on the mysterious disappearance of Malaysia Airlines Flight 370.

Ocean wave currents in the search for Malaysia Air Flight 370

We've all seen satellite images of possible floating debris from the missing jet. Why can't we just fly to that spot and find it? The answer is ocean currents.

Video: Are we loving manatees to death?

Manatee season at the Crystal River National Wildlife Refuge in Florida is November 1 to March 31. You can almost imagine the manatees breathing a sigh of relief.