Science

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

Apr 23

Can we save our body's ecosystem from extinction?

The sheer amount of bacteria in and on your body weighs three to four pounds, the same weight as the human brain. But overuse of antibiotics is threatening the microbes our guts need, and possibly giving rise to modern plagues.

On Earth Day, scientists want you to know that more and more animals are becoming extinct. More than 800 animals have gone extinct or extinct in the wild over the last 500 or so years, according to the International Union…

There are more than 40,000 endangered species in the world -- plants, animals, mollusks, reptiles, etc. -- according to the International Union for Conservation of Nature and Natural Resources's Red List. How much of that is due to us?…

Apr 17

Kepler finds new Earth-like planet 500 light-years away

NASA explanatory scientists announced Thursday that the Kepler Space Telescope has found an Earth-like planet in our galaxy. Elisa Quintana, exoplanet research scientist for the SETI Institute at NASA's Ames Research Center, says the planet is in the “Goldilocks zone,”…