This date in science: The 1945 bombing of Hiroshima

Japan marked the 68th anniversary of the Hiroshima bombing earlier today with a somber ceremony

The sun’s magnetic field is about to flip

Something big is about to happen on the sun. According to measurements from NASA-supported observatories, the sun's vast magnetic field is about to flip.

Aurora at Marshall Point Lighthouse

Magnificent shot of an aurora show on a starry summer night taken by Mike Taylor from Marshall Point Lighthouse in Port Clyde, Maine.

Making a mini Mona Lisa

Researchers at the Georgia Institute of Technology have “painted” the Mona Lisa on a substrate surface approximately 30 microns in width – or one-third the width of a human hair.

Drastically altered marine food web on the horizon

If current climate trends follow historical precedent, ocean ecosystems will be in state of flux for next 10,000 years, according to Scripps Oceanography researchers.

Creating the world’s smartest lake

A new collaborative project aims to create the world's "smartest lake" by installing smart water technology in New York's Lake George.

Hubble sees the fireball from a kilonova

NASA's Hubble Space Telescope has detected a new kind of stellar blast called a kilonova that's about 1,000 times brighter than a regular nova.

Video: Curiosity’s first year on Mars in two minutes

Cool rover’s eye view of driving, scooping and drilling during Curiosity rover’s first year on Mars.

Perseid meteor flying over Texas

EarthSky Facebook friend Gary Snow captured a Perseid meteor early this morning - August 5, 2013.

Shark Week 2013 brings new sharks and live talk shows

Shark stories, tweets, a Google hangout, comedy talk shows - and why it's a bad week for a seal named Snuffy - in Discovery's 26th annual Shark Week.