Four rare mountain gorillas 'die in Uganda lightning strike'

The four killed by suspected electrocution include a pregnant female, a conservation group says. …

Goodbye To The Spitzer Telescope, A Hard-Working Stellar Time Machine

George Helou who worked on the space telescope during its 16-year lifespan, tells NPR’s Scott Simon…

Luca speaks with European media

Video: 00:00:00 Media had their first opportunity to ask questions of ESA astronaut Luca Parmitano in…

What do a coyote and badger tell us about animal relations?

A zoologist explains why footage showing the two animals working together, might be more common than…

Arctic ice melt is changing ocean currents

A major ocean current in the Arctic is faster and more turbulent as a result of…

All about the laser (and microphone) atop Mars 2020, NASA's next rover

NASA is sending a new laser-toting robot to Mars. But unlike the lasers of science fiction,…

Amazon deforestation for January hits record

Deforestation in the Amazon rainforest in Brazil more than doubled in January compared with the previous…

Antarctica appears to have broken a heat record

The temperature in northern Antarctica hit nearly 65 degrees (18.3 degrees Celsius), a likely heat record…

Latest solar probe to get first close up of the sun's polar regions

A new spacecraft built jointly by U.S. and European space agencies is ready for a blazing…

The bitter end: Last woolly mammoths plagued by genetic defects

The world’s last woolly mammoths, sequestered on an Arctic Ocean island outpost, suffered from serious genetic…