Japan woke up early Monday to a fireball streaking across its skies. Astronomers say space debris or piece of an asteroid are the likely cause
As a humble Earth-bound species, humanity has been lucky enough to avoid major asteroid collisions. As we take our first steps into space, scientists are working on ways to protect Earth – before our luck runs out.
Space travel sounds super, doesn't it? But do yourself a favor and know what you're getting into. That's advice from astronomer, Neil F. Comins. He's written a timely guide for would-be Mars and moon colonists.
Rosetta's trip has lasted more than 12 years. It will come to an end Friday in a spectacular (and calculated) crash landing on comet Chury, using the fatal plunge to gather one last batch of data.
In 2006, Pluto ceased to be a planet. It was degraded by the International Astronomical Union to dwarf planet. But an asteroid called Ceres was "promoted." Did it help us learn more about the solar system?
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