SpaceX launch on historic mission to ISS

The SpaceX Falcon-9 rocket successfully blasted off this morning and is now on its way to a history-making journey to the International Space Station.

Carol Raymond on asteroid Vesta

Carol Raymond said asteroid Vesta has revealed itself as colorful, diverse – and even older than Earth - in the first-ever orbit of an asteroid by a space probe.

Eclipse of sun May 20-21 is part of a longer cycle

The solar eclipse of May 20-21, 2012 is part of a cycle - called the Saros cycle - that repeats about every 18 years and 10 days.

Solar flare effects expected May 19

Beautiful movie of another CME leaving the sun's surface on May 17. Goodbye sunspot 1476 and hello solar flare!

Watch May 2012 solar eclipse at a National Park

Want to see the solar eclipse on May 20, 2012? National parks in the United States are gearing up for the event.

NASA spacecraft spots 12-mile-high Martian dust devil

The NASA Mars Reconnaissance Orbiter caught sight of this beauty as it whirled on the sands of the Amazonis Planitia region of northern Mars.

Annular eclipse on Sunday May 20

Annular eclipse on Sunday! Here's the story ....

Dawn spacecraft reveals landscapes of Vesta

Findings from the Dawn spacecraft reveal enormous impact craters and diverse mineralogy on the asteroid Vesta, the second largest object in the asteroid belt.

Solar storm effects may give Earth a glancing blow on May 14

Effects of a coronal mass ejection from huge sunspot region 1476 will deliver a glancing blow (solar storm) to Earth today, while in route to Mars.

New planet found in distant solar system by its tug on another world

Using the same technique that led to Neptune's discovery in 1846, astronomers have found a new planet by observing its pull on a neighboring world.