European satellite to crash back to Earth within week

A large satellite which ended its mission 13 years ago will come crashing down to Earth in an uncontrolled manner within the next week, but there is almost zero chance it will hurt anyone, the European Space Agency has said.

Meet NASA's twin spacecraft headed to the ends of the Earth

Two new miniature NASA satellites will start crisscrossing Earth's atmosphere in a few months, detecting heat lost to space. Their observations from the planet's most bone-chilling regions will help predict how our ice, seas, ...

10 years preparing for 'Armageddon'

It's a scenario made famous by the 1998 film "Armageddon": an asteroid is spotted on a collision course with Earth, and experts scramble to plan a space mission to rendezvous with the asteroid and mitigate the danger. It's ...

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