Ever wondered how insects can walk on windows and geckos on ceilings without falling down? A German scientist and his team are trying to find the answers.
Even a reliable workhorse like Russia's Soyuz rocket has bad days. Some missions go horribly wrong. So while the basics of rocket science are the same as ever, there are always new contenders to shake things up.
World Toilet Day is no joke. No invention has saved more lives than the loo. But 4.5 billion people have to make do without functioning sanitation systems every day.
Researchers believe that a 1-kilometer-wide iron meteorite caused the 31-kilometer-wide impact crater, perhaps as little as 12,000 years ago. It's the first such crater found under any of Earth's ice sheets.
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