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Spectacular explosion at launch for Antares rocket
Watch the NASATV live broadcast of the catastrophic launch failure. The rocket was bound for the International Space Station, loaded with supplies.
October 28, 2014
Exciting Rosetta space mission inspires a magical short film
A very good 7-minute film, called Ambition. It's not like any film about space exploration you've ever seen. The Rosetta comet mission lies at its heart.
October 28, 2014
A week of solar flares at one giant sunspot
The biggest sunspot on the face of the sun in more than two decades erupted on October 26 with its sixth substantial flare in a week.
October 27, 2014
Cool composite of Comet Siding Spring near Mars
Hubble image of close passage of Comet Siding Spring near Mars. The comet passed Mars at about a third the distance between Earth and the moon on October 19.
October 26, 2014
Starquake sets magnetar ringing like a bell
Astronomers have observed signals from a highly magnetized neutron star, indicating starquakes that set the neutron star ringing like a bell.
October 23, 2014
Video: 3D flight over Mars chaotic terrain
Get out your 3D glasses and watch a flyover of the weird landforms on Mars know as chaotic terrain.
October 23, 2014
Sun may delay plans for sending humans to Mars
Less solar activity indicates a weaker magnetic field on the sun. A weak field lets cosmic rays into the solar system, posing a radiation hazard for astronauts.
October 23, 2014
New 3D map of the cosmic web
A team of astronomers has created the first three-dimensional map of the adolescent universe, just 3 billion years after the Big Bang.
October 21, 2014
Video: Solar eclipse on October 23
Weather permitting, almost everyone in North America will be able to see the partial solar eclipse this Thursday.
October 20, 2014
Best photos: Comet Siding Spring sweeps past Mars
A sight never seen before in recorded history ... an encounter between Mars and a close-passing comet on October 19, 2014.
October 20, 2014
