Is there life on Mars today and where?

In a comment published today in Nature Astronomy, Dr. Nathalie Cabrol, Director of the Carl Sagan Center for Research at the SETI Institute, challenges assumptions about the possibility of modern life on Mars held by many ...

Testing instruments for Artemis astronauts

NASA's Artemis program will establish a sustainable presence at the Moon as we prepare to venture on to Mars. To empower the success of these missions, terrestrial engineers must furnish astronauts with the tools they need ...

New galaxy sheds light on how stars form

A lot is known about galaxies. We know, for instance, that the stars within them are shaped from a blend of old star dust and molecules suspended in gas. What remains a mystery, however, is the process that leads to these ...

Fertilizer made from urine could enable space agriculture

In extreme environments, even the most ordinary tasks can seem like unsurmountable challenges. Because of such difficulties, humanity has, for the most part, settled on grounds that were favorable for harvesting crops, herding ...

The DNA of life at its limits

Scientists have unraveled the complete genome of the tomato russet mite, which is considered one of the smallest animals on our planet and known as a destructive agricultural pest. The genome is the smallest reported to date ...

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