Chemical testing on animals? Try mini-organs, big data, and other options first, says Congress.

Millions of mice, rats, fish, birds and other animals are killed in the name of science every year in the United States. A new bipartisan bill that passed the U.S. Senate on June 7 and now awaits a presidential signature to become law aims to curb this practice in favor of more animal-friendly—and often quicker and…

Mark Zuckerberg and Stephen Hawking team up to send tiny probes to look for alien life

Facebook mogul Mark Zuckerberg and theoretical physicist and cosmologist Stephen Hawking have a plan to search for alien life, and it involves (crudely) using a powerful laser to shoot tiny bots into orbit around Alpha Centauri, the star system closest to our Sun. The bots would search for planets, especially…

After setting space record, Scott Kelly's lasting impact could come from 'Twin Study' on Earth

NASA astronaut Scott Kelly will touch down in Kazakhstan late Tuesday night after 340 days in space, a record for an American astronaut. While Scott has been occupying the International Space Station, his identical twin brother Mark Kelly, a retired astronaut, has been anxiously anticipating his return—and not just…

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