NASA's Phoenix lander, which touched down on Mars in 2008, initially struggled to scoop the planet’s rusty red regolith into a device that heats the rocks to sniff out their components.

Exclusive photos reveal a sprawling, 300-year-old coral near Solomon Islands, recently discovered by the National Geographic Society’s Pristine Seas expedition team.

National Geographic scientists recently discovered the world's largest coral colony in the southwest Pacific Ocean, deemed the "mega" coral. The National Geographic Society's Pristine Seas team ...

But for Mars to be a viable destination, Musk says the cost of the trip needs to come down to about $200,000, or the average price of a house in the United States. Trouble is, that’s a ...

National Geographic scientists recently discovered the world's largest coral colony in the southwest Pacific Ocean, deemed ...

National Geographic’s Pristine Seas Project was studying the ocean health around the Solomon Islands when it stumbled across the ginormous coral. ... This is the largest coral colony on Earth.

This story appears in the August 2017 issue of National Geographic magazine. Carl Sagan spent his childhood immersed in Mars. The future scientist, an avid reader of Edgar Rice Burroughs’s ...