President Luiz Inácio Lula da Silva of Brazil has signed a landmark law to reduce greenhouse gas emissions, to mixed reviews from environmentalists.
National Institutes of Health Director Francis Collins is putting $80 million in leftover Recovery Act money towards his five pet "themes," which include high-throughput technologies and global health. The agency is seeking 3-year projects that need at least $500,000 a year.
Scientists chase the mystery of why the San Francisco, California, sea lions have absconded.
The California Science Center in Los Angeles is being sued for canceling the October showing of an anti-Darwin film by critics who contend that the center caved to pressure from California biologists as well as from the Smithsonian Institution, with which it is affiliated.
The U.S. Food and Drug Administration's approval process for medical heart devices like stents is seriously flawed, two studies say.
Senate Democratic moderates Mary Landrieu (LA), Evan Bayh (IN), Ben Nelson (NE), and others to President Barack Obama: Don't try to pass cap and trade next year.
The New Horizons NASA probe is now closer to Pluto than Earth.