Twenty-five years after Baby Fae's death following the world's first animal-to-human infant heart transplant, TIME looks back at the history of the procedure
Two deaths in people receiving the H1N1 vaccine were reported in China, where an estimated 12 million have been inoculated so far.
Climate negotiators have real hope that a proposed agreement to reduce deforestation could prove to be a bright spot in a meeting that might otherwise be considered a failure.
As climate change experts had long expected, world leaders said this weekend they will not reach an agreement on climate change in Copenhagen in December
A month after a lunar mission smashed into the surface of the moon, analysis of the impact shows the presence of water on the moon, NASA scientists say
By some estimates, black carbon may account for as much as 18% of the planet's warming, making it the No. 2 contributor to climate change after carbon dioxide
A possible alternative for breast reconstruction after mastectomy? Australian researchers prepare for a trial to regrow breast tissue
TIME looks at what's on the agenda for the talks in Copenhagen that begin on Dec. 2
Atlanta Falcons tight end Tony Gonzalez and his wife bare it all in the name of animal awareness. To mark the latest in a long line of eye-opening publicity campaigns, TIME takes a look at 10 of the organization's most shocking stunts
Tina and Rod Davies have turned their living room in Victoria, Australia into a nursery for orphaned kangaroos and wallabies
At 5 a.m. on Sept. 30, the Centers for Disease Control and Prevention (CDC) will launch its largest vaccine giveaway in decades. It's not the usual way influenza immunizations are distributed, but nothing about this flu season is normal
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