What life on another planet might look like, and other tidbits.
Obama also promises to return scientific integrity to government decision making.
The long-awaited reversal will lift federal funding restrictions on embryonic stem cell research.
Specially engineered bacteria will wax poetic.
Scientists have overcome a major barrier to human use.
Recent studies show that they could save you time, keep you healthier, and improve medical research.
Newly made antibodies protect against different varieties of flu.
The sneeze-inducing DNA shows why it's so difficult to find a cure for the common cold.
A surgical procedure allows intuitive control of a sophisticated robotic arm.
The first drug on the market made by animals carrying a human gene is being produced in goats' milk.