Mineralogist Robert Hazen and other scientists probe connections between living organisms and rocks in "Life's Rocky Start," which premieres tonight on PBS stations around the United States.Read More »
Alexander is remembered for her leading role in the Galileo and Rosetta missions and her efforts to encourage women scientists from underprivileged and underrepresented groups.Read More »Planetary Sciences
The Curiosity rover, one of NASA's flagship missions, analyzes Martian geology, geochemistry, climatology, and radiation to assess whether Mars could have supported microbial life.Read More »Planetary Sciences
Researchers unveil a way to tease out the wobble of a star caused by unseen planets despite the confounding effects of star spots, which are the sunspots of distant stars.Read More »
Letter writers will be able to adorn their envelopes this year with full-disk images of the planets, Pluto, and the full Moon, as well as Star Trek icons.Read More »Planetary Sciences
On New Year's Day 2019, a spacecraft known for its historic flyby of Pluto will take an unprecedented look into the distant past by flying right up to a frozen remnant of the original solar system.Read More »Planetary Sciences
Planets that orbit close to their stars might lose their atmospheres along with any chance of life, but new models show a way in which these planets may retain their atmospheres and habitability.Read More »Planetary Sciences
The experiments mimicked cooling of magma at the lunar surface. They found that any water in interior molten rock might have escaped so fast at the surface that none was left to be measured.Read More »Planetary Sciences
Scientists look into tracking carbon dioxide within a sequestration reservoir—and spotting possible leaks—by observing naturally generated, fast-moving muons that penetrate the underground storage area.Read More »Planetary Sciences
