Raw images from Juno spacecraft’s Earth flyby

More images will be released soon, from Juno's flyby of Earth on Wednesday. Plus check out a simulation of Juno's unique perspective on Jupiter in 2016.

Elephants know what it means to point, no training needed

Elephants understand humans in a way most other animals don’t, according to the latest research from the University of St Andrews.

Will Comet ISON survive its brush with the sun?

The comet might disintegrate outright, or break-up in the days or weeks after its close brush with the sun. Or it might survive intact, to pass Earth again someday.

A lonely planet without a star

An international team of astronomers has discovered an exotic young planet that is not orbiting a star.

Three photos of October 8 aurora

Everyone said the reds were amazing. These three separate images, from three different photographers, show it's true.

Comet ISON details emerge as it races toward the sun

Scientists are unraveling more information on Comet C/2012 S1 (ISON) as it continues on its journey toward the sun.

Jupiter and Saturn are awash in diamonds, say scientists

Some of the diamonds floating around inside of Saturn may be so large that they could perhaps be called "diamondbergs."

Study suggests long-ago collisions among Pluto satellites

A new computer model suggests a series of Pluto satellites colliding, breaking to pieces, moving outward and then rebuilding.

Video: Bill Nye explains Earth flyby of Juno spacecraft

Watch Bill Nye explain why the Juno spacecraft is being routed so close to Earth on October 9, and what the craft will do when it reaches Jupiter in 2016.

October leaving

Leaves turn. Birds fly south.