Understand how advancements in environmental research and innovation are changing the world.
Republican Sen. Lindsey Graham confesses why he has to push forward climate change legislation.
Discovery opens up the possibility of increased lunar exploration.
Better for your business,better for the planet
NASA says magnitude-8.8 quake may have tipped Earth's axis.
Video: Dr. Neil deGrasse Tyson of the Hayden Planetarium in New York City talks with Rachel Maddow about his new PBS documentary about Pluto and its status as a planet (or not).
Researchers develop a type of Victorian ear trumpet capable of listening at the molecular level.
Chemical material could speed clean-up at power plants by snapping its jaws at radioactive waste, leaving nontoxic byproducts alone.
Japanese astronaut Soichi Noguchi dons a chef's hat and creates the first handmade sushi roll in zero gravity.
Google announces breakthrough in mirror technology that could cut the costs of solar thermal power in half.
Scientist accidentally discovers a strong response in mice brains to combinations of smell and hearing.
Scientists concerned with the amount of debris orbiting Earth say it's time to clean up before a serious collision occurs.
Scientists tackle a chicken-or-egg question: Is the collision that creates a supernova caused when a white dwarf takes on too much material from other stars or when it crashes into another white dwarf?
Astronauts celebrate the international esprit de corp by performing weightless skiing, skating and more.
The first Carbon War Room summit unveils a battle plan for tackling the mounting climate problem head on.
There is a healthy overlap between protecting national security and protecting the climate. Lockheed Martin and Raytheon get it; when will Obama get on board?
Bizarre towering fossils from an era before trees may have been huge rolls of a plant called liverwort.
New York Times contributor blogs about green transportation.