News tagged with planetary scientist

When life went global

"An origin of life is not the same as an origin of a biosphere—that's an important distinction," says David Grinspoon, a planetary scientist and curator of astrobiology for the Denver Museum of Nature & ...

Jul 07, 2014
4.6 / 5 (10) 4

What steps are needed to find more earths?

It wasn't so long ago that we found out there is an Earth-sized planet in a habitable zone of a star. But how many others are out there, and do we know if planets like this are truly habitable?

Apr 29, 2014
4.8 / 5 (8) 1

Mars Icebreaker Life mission

Missions to Mars have only scratched its surface. To go deeper, scientists are proposing a spacecraft that can drill into the Red Planet to potentially find signs of life.

May 16, 2013
4.8 / 5 (4) 0 | with audio podcast