This Just In
A comet the size of a small mountain and about as solid as a pile of talcum powder whizzed past Mars.
NASA's Dawn spacecraft has resumed normal operations after a high-energy particle event forced the mission to enter safe mode, knocking its ion drive offline. Continue reading →
Some craters can be deceiving. Continue reading →
A spacecraft chasing a comet in deep space has found that its target is surprisingly dark in color.
Amazingly, in a sprawling city of 1.2 million people, the impact near the international airport did not cause any known injuries.
On Sunday (Sept. 7), a house-sized interplanetary interloper will fly past Earth at a distance of only 20,000 miles -- that's one-tenth of the distance from the Earth to the moon. Continue reading →
Russian state media has announced a Russia-US agreement to share information in the event of natural or man-made disasters, despite the escalating unrest in Eastern Ukraine.
It marks the first time a spacecraft has been sent into orbit around a comet.
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