Science Aug 15

NASA's intrepid Mars Rover, Curiosity has been through a lot in the past year. It flew 354-million miles, deployed a supersonic parachute and sky crane and landed on the surface of Mars. And while it undergoes equipment checks, it's been…

Science Jul 25

In a four-day period this July, the Greenland ice sheet melted at a faster rate than satellite data has ever recorded and at higher elevations than we've seen in our lifetimes. So what caused this extraordinary melt? Since May,…

Nation Jul 20

A gas mask was marked as the first piece of evidence in a criminal investigation. Federal authorities searched through evidence in the parking lot behind the Century 16 movie theater where a gunman shot and killed 12 people Friday morning.

Science Jun 06

For those Earthlings lucky enough to be under cloudless skies during Tuesday's Venus transit, it took the form of a pea-sized dot gliding across the Sun's northern hemisphere. For more perspective, NASA has collected a stunning sampling of images both…

Science Jun 06

In the late 1940s, Sir Andrew Huxley and Sir Alan Hodgkin teased a nerve cell from an Atlantic squid, placed it into a seawater bath and zapped it with currents. Then, with the data, they built a mathematical model that…

Health May 07

Save the Children Report: Best and Worst Countries to be a Mom…

Science Mar 26

Cameron's Historic Dive Cut Short by Leak; Few Signs of Life Seen A hydraulic fuel leak cut filmmaker James Cameron's dive to the deepest part of the ocean short, but he still plunged to nearly seven miles underwater.

Science Mar 22

As global temperatures increase and weather patterns shift, the PBS NewsHour will explore how American communities are dealing with climate change. On our new Coping with Climate Change page, you'll be able to find video reports,…

Science Feb 28

A team of Australian scientists have that corals can clone in a similar way that humans eggs split to create identical twins.

Science Jan 18

Last spring, a British scientist reached into the back of a cabinet and pulled out a fossil with a signature that looked an awful lot like Charles Darwin's. Turns out it was. Here is a sample of the fossils, which…