Science

Follow PBS NewsHour’s complete coverage of Science and Technology stories.

Apr 07

Online voters can select one of three designs that will be used as a cover to protect the spacesuit from abrasions while astronauts train in multiple vacuum chamber tests and at a rocky Martian surface analog site at the…

NASA's Solar Dynamics Observatory has released dramatic video of a "mid-level" solar flare from April 2. [youtube:http://youtu.be/_8yPQEE2Dnk] Flares are short, powerful bursts of radiation emitted from the sun's surface. NASA says the radiation cannot penetrate the Earth's atmosphere, but on rare…

Apr 02

Is pot getting more potent?

The average potency of pot has more than tripled in the past two decades, according to testing done for the federal government. This comes just over a year after Colorado and Washington legalized the drug and as many other states…